ADSORBENT - 80 Anuncios

Miércoles 22 mayo 2024

PFA ion exchange column, also known as PFA chromatography column, PFA filtration column, etc. The principle is to use adsorbents to have different adsorption effects on different compounds and different solubility of different compounds in solvents, and to use suitable solvents to...

Martes 12 marzo 2024

Precio : USD1500 to USD3000

activated adsorbent is a material that has the ability to attract and hold molecules, ions, or particles on its surface. It is commonly used in a variety of applications, such as water purification, air filtration, and industrial waste treatment. calcium chloride adsorbent are available...

Martes 22 agosto 2023

Precio : USD1500 to USD3000

Adsorbent is a material that has the ability to attract and hold molecules, ions, or particles on its surface. It is commonly used in a variety of applications, such as water purification, air filtration, and industrial waste treatment. Adsorbents are available in a variety of forms...

Jueves 08 junio 2023

Water treatment plant chemicals are chemicals used to remove pollutants from water. These chemicals can be used to treat both drinking water and wastewater. Common water treatment products include chlorine, alum, caustic soda, sodium hypochlorite, and polymers. Chlorine is used to...

Jueves 17 noviembre 2022

Cantidad : 20000Ton - Precio : USD0.6~USD2

Non-woven polypropylene fabric (nwpp fabric), or the so-called PP non-woven fabric, is a non-toxic, odorless, milky white highly crystalline polymer. It is one of the lighter types of plastics, with low water absorption and good form-ability. The surface of the non-woven polypropylene...

Sábado 21 agosto 2021

Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products a complete structure and precise dimensions. Specifically, it refers to injecting the material melted by heat into the mold cavity by high pressure, and after cooling and solidifying...

Jueves 09 abril 2020

Advantages of HAWACH Flash Column 1.Impurity dissolution rate: the materials are all medical-grade PP and PE, which have strong corrosion resistance and low impurity content. There is low probability of impurity dissolution. 2.Diversity of options: a large number of series/types,...

Martes 31 marzo 2020

SPE technology is a physical extraction process including liquid phase and solid phase based on the theory of liquid-solid chromatography, which uses selective adsorption, selective elution to enrich, separate and purify the sample. In daily application, SPE cartridge can also be...

Martes 24 marzo 2020

The capacity of the SPE cartridge refers to the adsorption amount of the column packing. For silica-based solid-phase extraction columns, the capacity is generally 1 to 5 mg/100 mg, which means that the column capacity is 1% to 5% of the mass of the packing. The capacity of the bonded...

Martes 10 marzo 2020

1.Mixed-mode cation exchange r: A mixed adsorbent having strong cation exchange and reverse retention, which is highly selective for alkaline analytes, stable in organic solvents. 2.Weak cation exchanger: Weak cation exchange and reverse retention complex mechanism, which is used...

Lunes 20 enero 2020

As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...

Domingo 19 enero 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Lunes 13 enero 2020

The dispersed solid phase extraction kit is selected based on the type of food being analyzed and the method used. In this step, the extracted sample is added in equal amounts to a 2 ml or 15 ml centrifuge tube. The centrifuge tube contains a small amount of solid phase extraction...

Lunes 06 enero 2020

Hawach solid phase extraction cartridges are designed for sample pretreatment to remove or minimize sample matrix and other interferences to “clean up” a sample prior to analysis. This procedure can also concentrate an analyte to achieve the desired sensitivity range of an analytical method...

Lunes 16 diciembre 2019

The capacity of the SPE cartridge refers to the adsorption amount of the SPE cartridge packing. For silica-based SPE cartridge, the capacity is generally 1 to 5 mg/100 mg, that is, the cartridge capacity is 1%~5% of the mass of the packing. The capacity of the bonded silica ion exchange...

Jueves 12 diciembre 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Martes 10 diciembre 2019

To select the appropriate SPE cartridge, we normally consider it from two aspects: the selection of adsorbent and specification of the cartridge. The use of appropriate adsorbent can achieve good separation between interfering substance and target component, and also meet the requirement...

Domingo 13 octubre 2019

Solid phase extraction is a sample preparation method based on the chromatographic analysis. Solid phase extraction includes a solid phase (adsorbent with a certain functional group) and a liquid phase (sample and solvent). The liquid sample passes through a solid phase extraction...

Jueves 10 octubre 2019

QuEChERS firstly came out in 2003. The inventors of QuEChERS, Michelangelo Anastasiades and Steve Lehotay, were asked for the three biggest improvements in this method from development to now. They made the following statement. In the period of conceiving the method QuEChERS, we have...

Lunes 30 septiembre 2019

The purifying agent holds an important position in the QuEChERS pre-treatment method. An appropriate selection and application of it would be necessary for the users to improve the efficiency of purification and accuracy of the sampling detection result. Selection of purifying agents...

Lunes 30 septiembre 2019

SPE is a kind of sample production technology which is more and more useful in which many problems related to liquid and liquid extraction could be avoided, such as the incomplete separation, non-quantitative recycle, the use of expensive and fragile glass vessels, massive organic...

Viernes 27 septiembre 2019

Non-Polar Interaction, the interaction between a non-polar functional group on a target compound and a non-polar sorbent, which is better reflected in a polar solvent environment, especially in a water environment. Also known as hydrophobic interactions, such as the interaction between...

Miércoles 25 septiembre 2019

Knowledge of QuEChERS Quick, Easy, Cheap, Effective, Rugged, Safe are generally abbreviated to QuEChERS. It is a sample pretreatment method for agricultural product detection. It is used to absorb and remove impurity, and the operational principle is similar to high-performance liquid...

Miércoles 25 septiembre 2019

General requirements for adsorbents: large surface area and certain adsorption capacity. Does not chemically change with the developing agent, does not react with or catalyze, decompose or associate with the substance to be separated, and the particles are uniform. Silica gel and...

Martes 24 septiembre 2019

There are many factors to select a product, but on the way back, the only two words lingering in my mind are “parameters” and “Quality assurance”. All that's left is the word “Quality assurance”, which is getting bigger and bigger and more distinct and lingering – or, to put it more simply...

Lunes 23 septiembre 2019

The reason for the QuEChERS matrix effect in the liquid state is generally considered to be due to the non-volatile components in the matrix and the substance to be tested, which competes in the ionization process. The matrix effect in gas phase temperament is generally attributed...

Lunes 23 septiembre 2019

Let's take a look at two common adsorbents for adsorption chromatography. Polyamide The polyamide adsorbent can be divided into nylon 6 (polycaprolactam) and nylon 66 (polyhexamethylene adipamide), which are hydrogen bond adsorption and semi-chemical adsorption. There are many amide...

Viernes 20 septiembre 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Miércoles 18 septiembre 2019

Selection of scavengers The conventional QuEChERS method only uses PSA which is too simple single that can no longer meet the complex matrix samples examination experiments. GCB (graphitized carbon black) can effectively adsorb pigments, non-polar interferences such as sterol due...

Miércoles 18 septiembre 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Martes 17 septiembre 2019

Adsorption chromatography uses the difference in adsorption capacity of substances in stationary phase adsorption to achieve separation of the mixture. The chromatographic process of adsorption chromatography is the process in which the mobile phase molecules compete with the material...

Lunes 16 septiembre 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Viernes 13 septiembre 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

Miércoles 11 septiembre 2019

Flash chromatography is one of the methods in the preparation of liquid chromatography and is usually used for the separation of organic compounds. Flash chromatography has the advantages of ease of operation, low cost, and fast analysis. There are few other techniques for purifying...

Miércoles 11 septiembre 2019

The structure of the SPE cartridge is mainly divided into four parts: column tube, sieve plate, adsorbent and supporting device. The characteristics of each part are briefly introduced below. Column tube: A carrier for the adsorbent, made from serum grade polypropylene. Commonly used...

Martes 10 septiembre 2019

According to the separation mechanism of substances, Chromatography can be divided into adsorption chromatography, distribution chromatography, ion exchange chromatography and the like. The operation mode of the adsorption thin layer chromatography refers to that the adsorption capacity...

Martes 03 septiembre 2019

The basic principle of SPE cartridges is that the liquid sample is made to pass through the adsorbent to retain the tested substance, and then the impurities are washed away with appropriate strength solvent, and then the tested substance is eluted with a small amount of good solvent...

Miércoles 14 agosto 2019

The important technical parameters of Hawach SPE Columns are the key points of selection. Material The material selection of the SPE column is very important. The column material is in direct contact with the test object or analyte. The quality of material selection determines the...

Lunes 12 agosto 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Jueves 08 agosto 2019

Most common SPE cartridges are injection syringes made of polyethylene, in which there are two plugs made of polypropylene or fiberglass, with a certain amount of chromatographic adsorbent (filler) between the two plugs. SPE cartridges without sieve plate 1. Avoid “non-specific adsorption” 2...

Martes 06 agosto 2019

Ion-exchange solid phase extraction is widely used in biological samples and environmental monitoring. During the extraction process, the pH of the sample is adjusted so that the solute is easily ionized. The solute is exchanged from the resin by changing the pH or increasing the...

Miércoles 31 julio 2019

Solid phase extraction (SPE), developed in the 1970s, can replace the traditional liquid-liquid extraction in many fields and has been applied more and more widely in the laboratory. The common solvent of SPE Hexane, isooctane, tetrahalide carbon, trihalomethane, dihalomethane, tetrahydrofuran...

Lunes 15 julio 2019

The solid phase extraction cartridges (SPE column, or Solid Phase Extraction Cartridges, or SPE cartridges for short) is a sample pretreatment device for extraction, separation and concentration developed from a chromatography column. Mainly used in sample pretreatment of various foods...

Viernes 12 julio 2019

Characteristics of QuEChERS QuEChERS is a pretreatment method for pesticide residue detection. This paper refers to the products produced by our company. Its name comes from the acronyms of the words “Quick, Easy, Cheap, Effective, Rugged, Safe”, which are also the characteristics...

Viernes 12 julio 2019

Today, Hawach want to talk about the pre-treatment process for pesticide residue detection from the perspective of food safety – QuEChERS, and also tell you how to pre-treat pesticide residue food. Introduction The present analytical methods and determining techniques, pre-treatment...

Jueves 11 julio 2019

SPE column or SPE cartridges are based on liquid-solid phase chromatography theory, it is a kind of extraction, separation, concentrated sample preparation unit. Mainly used in sample pretreatment of various foods, agricultural and livestock products, environmental samples and target...

Miércoles 10 julio 2019

According to the research from the United States Department of Agriculture, the QuEChERS meth od which extracts pesticide from foods is fast, convenient, cheap, effective and secure. When it compares to the traditional SPE method, QuEChERS not only uses less solvent but also adopts...

Martes 09 julio 2019

Rapid chromatography Technology for the separation and purification of natural products and biological macromolecules. It has the advantages of easy operation, cheap price, and rapid analysis, and a few other technologies can match the rapid chromatography in the application of purifying...

Martes 09 julio 2019

Polymeric MCX SPE cartridges are used to extract strongly alkaline compounds. MCX is a mixed strong cation exchange adsorbent obtained by bonding sulfonic acid groups on highly crosslinked PS/DVB surface. It has both reverse phase and cationic exchange retentive properties and good...

Viernes 05 julio 2019

The product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

Jueves 04 julio 2019

Activation, also known as solvation, add a suitable solvent to expand the functional groups on the adsorbent and remove possible interferences on the adsorbent. Equilibrium, remove the activated solvent to create a suitable solvent environment for sampling. Usually, use the same solvent...

Viernes 28 junio 2019

Stationary Phase & Mobile Phase The stationary phase is used to separate the substances, which is packed into HPLC Column directly; Mobile phase is the carrier, which carries the substances into the stationary phase and goes through the stationary phase. It is gas in the vapor phase...

Viernes 21 junio 2019

Normally SPE cartridge has two basic adsorption modes: target compound adsorption mode, impurity adsorption mode; 5 operation modes: gravity operation, manual positive pressure, centrifuge, negative pressure and positive pressure mode. Now let's review the whole process step by step...

Jueves 20 junio 2019

Extraction is often susceptible to matrix interference. One analytical method is fine in this matrix but can become problematic in another matrix. If we encounter such a situation, how can we improve the QuEChERS method to overcome it? For pesticide residues, most of the food samples...

Miércoles 19 junio 2019

Take the example of pear test to check whether a pear is up to the standard. Prepare the environment The first step: Suitable Acetonitrile salting-out extraction environment was prepared. Make the pears into a puree, take 10g to QuEChERS centrifuge tube of 50ml. Add extract solution...

Miércoles 19 junio 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

Sábado 15 junio 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Jueves 13 junio 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

Viernes 07 junio 2019

QuEChERS method was originally applied to extract pesticides from fruits and vegetables. Whether under AOAC or EN stipulations, according to our products' Application and Test Report, we can see that the combination of salting out and d-SPE-purification in the initial liquid-liquid...

Lunes 29 abril 2019

CN (cyanopropyl) solid phase extraction (SPE) cartridge, CN (cyanopropyl) is a weakly hydrophobic silica matrix filler, which can be used as a normal phase or reverse phase adsorbent. The non-polar or weakly polar acid, medium and basic compounds are extracted from the aqueous solution...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

PIONEER has its own absorbent production base, which specializes in the production of various efficient absorbents and catalysts to be applied to the variable pressure absorption equipment. The production base is capable of producing 10,000 tons of absorbents each year, mainly including...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

Using the independently-developed and high-efficiency PSA-H2 adsorbent, PIONEER's rapid, low consumption and high-efficiency PSA-H2 process has the following features, low investment and operating cost, high purity and recovery of gas product, flexibility of feed gas and easy load regulation...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

PIONEER's independently-developed and produced PSA-CO adsorbent PU-1 was granted the Chinese, USA and Canadian patents. PU-1 has ultra-high adsorption capacity and selectivity for CO, which are the key features for PSA-CO technology which reaches the advanced level in the world. PIONEER...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

Based on the high-efficient lithium-based VPSA-O2 adsorbent PU-8, combining with the unique airflow distribution technology, advanced process design and reliable supplementary devices, PIONEER has successfully ensured energy-efficient and large-scale VPSA-O2 plants to provide O2 product...

Sábado 05 noviembre 2016

Cantidad : 1 set - Precio : USD9790

Application: VFD-R series is adapt to regenerate and activate the deteriorated transformer oil. It's capable of removing the moisture, gas and mechanical impurities as well as eliminating organic acid, sludges, pitches and dissociated carbon on the deteriorated transformer oil which...

Jueves 30 junio 2016

The working principle of chromatography freezer Chromatography freezer (also called chromatography cabinet), and common storage cabinets have why to differ? It is how it works? And let Toffon confused for you a brief introduction of the working principle of chromatography freezer...

Martes 23 febrero 2016

Cantidad : 1 - Precio : 3 500,00 €

Product Description Series TYK phosphate ester fire-resistant oil purifier treatment is latest model of vacuum oil purifier designed for purifying the unqualified phosphate ester fire-resistant oil, this machine can treat and regenerate the degenerative fire-resistant oil, removing acid...

Domingo 14 febrero 2016

Sorbead India is the supplier and manufacturer of high quality Adsorbents and Desiccant products to meet highest quality and bulk desiccants. Sorbead India serves the demanding needs of the market in protecting products against the damaging effects of moisture & humidity. For...

Miércoles 10 diciembre 2014

Cantidad : 1Piece - Precio : 6,50 €

Product Description: TOPDRY is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Miércoles 10 diciembre 2014

Cantidad : 1Piece - Precio : 6,50 €

Product Description: how TOPDRY work? Topdry desiccants is a dehumidifier product that are used to control the moisture inside the container. it prevent the water vapour in the container to reach its dew point and becomes water. Thus this helps to protect the cargoes against damage...

Miércoles 10 diciembre 2014

Cantidad : 1Piece - Precio : 6,50 €

Product Description: TOPDRY is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Miércoles 10 diciembre 2014

Cantidad : 1Piece - Precio : 6,50 €

Product Description: TOPDRY is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Miércoles 10 diciembre 2014

Cantidad : 1Piece - Precio : 6,50 €

Product Description: TOPDRY is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Miércoles 10 diciembre 2014

Cantidad : 1Piece - Precio : 6,50 €

Introduction: TOPDRY 1kg container desiccant is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Miércoles 10 diciembre 2014

Cantidad : 1piece - Precio : 6,50 €

Product Description: TOPDRY is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Miércoles 10 diciembre 2014

Cantidad : 1piece - Precio : 6,50 €

Product Description: TOPDRY is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Miércoles 10 diciembre 2014

Cantidad : 1piece - Precio : 6,50 €

Product Description: TOPDRY H1000 is a standard specification of our shipping container desiccant. With a larger proportion and more adsorbent materials, it extracts water vapor quickly from the air, thus preventing the humidity inside the container reaching dew point and condensing...

Jueves 11 abril 2013

Cantidad : 15-20sets/ - Precio : 1500-2000USD/set

Oil Refinery Plant Introduction Oil Refining is a progress of removing the impurities such as phospholipids, FFA, pigment, off-flavor in cruel oil before edible application. Oil refining machine is used for producing the first or second grade edible oil. We are able to supply the...

Domingo 14 agosto 2011

Cantidad : 5000ton - Precio : discussible

Activated Alumina is a white porous spherical particles, uniform size, smooth surface, mechanical strength, high moisture absorption, water absorption expansion does not crack after not maintain the status quo, non-toxic, odorless, insoluble in water, ethanol. It has many pores Road...

Jueves 26 mayo 2011

Cantidad : 5000mt - Precio : $1050-1100

CAS No.: 1333-86-4 EINECS No.: 215-609-9 Classification: Chemical Auxiliary Agent Place of Origin: Shaanxi China Brand Name:dongtaiyuan Adsorbent Variety: Activated Carbon Dimensions: N220/N330/N550/N660 Features: 1) Appearance: amorphous black solid 2) Odor: none 3) pH value: 6 ~...