ANALYSIS - 2629 Anuncios

Jueves 19 septiembre 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Jueves 19 septiembre 2019

The filter paper used in the analytical laboratory performs a strong absorption effect for liquids, which can separate the solution from the solid. The filter paper produced domestically could be divided into three types, including qualitative filter paper, and quantitative filter paper...

Miércoles 18 septiembre 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Miércoles 18 septiembre 2019

In chromatographic experimental analysis, a device that can quantitatively feed a sample bottle into a chromatographic column is called a sample vial. Sample vials are divided into manual and automatic sample vials. The automatic sample vial is an intelligent and automatic sampling...

Miércoles 18 septiembre 2019

Hawach Scientific provide Glass fiber filter membrane, with a binder and without binder both available. Here we introduce the without binder type. Pore size : 0.7um /1.2um Diamter : 13/25/47/50/60/90/100/106/120/142/150/20 0/250mm. Glass fiber filter membrane is chemically inert, without binder...

Martes 17 septiembre 2019

Cantidad : 1pc - Precio : US $1 - 3,000 / Set

The double plate China wafer check valve is used for the pure pipeline, industry, environmental protection, water treatment, high-rise building water supply, and drainage pipeline to prevent reverse flow of the medium. The disc check valve adopts wafer type, butterfly disc is two...

Martes 17 septiembre 2019

Cantidad : 1pc - Precio : US $1 - 3,000 / Set

ZECO is currently the only manufacturer in China with accurate KV data and support debugging services. We have our own dynamic water testing system, and all the differential pressure control valvesa and Balancing Valves used in the heating system and heating system are tested with accurate data...

Martes 17 septiembre 2019

If you need more loading capacity, Ultraton's 3 axles 55T Flatbed Semi Trailer for standard size of container can meet your different need on container transport. It can be modified according to customer's requirement. Overview of 3 Axles 55T Flatbed Container Transport Semi Truck...

Martes 17 septiembre 2019

Ultraton's 3 axles 40ft Flatbed Semi Trailer is upgraded model for standard 40ft container can meet your different need on container transport. It can be modified according to customer's requirement. Overview of 3 Axles 40ft Flatbed Container Transport Semi Truck Trailer Scientific...

Martes 17 septiembre 2019

As a flexible model, Ultraton's 2 axles 35T Flatbed Semi-Trailer is also very workable for the standard size of the container can meet your different need on container transport. It can be modified according to customer's requirement. Overview of 2 Axles 35T Flatbed Container Transport...

Martes 17 septiembre 2019

Ultron's 2 axles 30T Flatbed Semi-Trailer for standard size of the container can meet your different needs on container transport. It can be modified according to customer's requirement. Overview of 2 Axles 30T Flatbed Container Transport Semi Truck Trailer Scientific design with...

Martes 17 septiembre 2019

Ultratons'2 axles 20ft Short Flatbed Semi Trailer is a commonly seen model equipped with 2 pieces of semi-trailer axles for standard 20ft container. It can be modified according to customer's requirement. Overview of 2 Axles 20ft Flatbed Container Transport Semi Truck Trailer Scientific...

Martes 17 septiembre 2019

Hawach Scientific product quality in strict accordance with ISO9001: 2000 quality system certification procedures, and from now on we have exported to more than 120 countries. Overview of qualitative filter paper, analysis laboratory commonly used filter paper as a filter medium,...

Martes 17 septiembre 2019

Composed of a filter medium encased in a plastic housing, the filter capsule is a kind of self-contained unit which can be connected in-line to a sample-delivery system, such as a submersible or peristaltic pump. The unit can generate sufficient positive or negative pressure to force...

Lunes 16 septiembre 2019

The benefits of retail led display Audience Attention, Customer engagement, Sales Opportunity•Audience Attention, Customer engagement, Sales Opportunity Increase customer engagement and make a significant impact to your sales uplift. •Present animated videos, create a better shopping experience...

Lunes 16 septiembre 2019

The syringe filter is mainly used for the filtration of solvent samples, which holds a crucial position in the sample prefiltration procedure, especially in the HPLC sample analysis. There are two basic aspects of the syringe filter that should be learned and memorized clearly. Composition...

Lunes 16 septiembre 2019

Push-in Type The design of push-in automatic sample vial is also common, which is very similar to the manual sample vial. The syringe moves to the sample vial inhale a predetermined amount of sample, then moves to the injection port, and injects the sample into the sample ring. The...

Lunes 16 septiembre 2019

Hawach Scientific provides a wide selection of flash columns, they are a quick and easy way to separate complex mixtures of compounds, and often used on a preparative scale to provide better separation and cuts down on the amount of time required to run column. We committed to providing...

Lunes 16 septiembre 2019

Reversed phase chromatography (RP) is the most widely used technique in high-performance liquid chromatography (HPLC) up to now, mainly because it is suitable for the analysis of most of them. Nonpolar substances and many ionizable and ionic compounds. Most stationary phases used...

Jueves 12 septiembre 2019

Our own number: 535 1. Re-manufactured Sany 45 meters concrete pump, Isuzu chassis, 4RZ boom ground jack is leg lifting. First-level standard maintenance. High working stability. 2. 20 hours pressurized with water and debugging, exempted from inspection in perfect condition. New tires...

Jueves 12 septiembre 2019

Hawach Scientific is the production of filter paper professional manufacturers with advanced production technology and perfect testing equipment. Quantitative filter paper is suitable for a wide range of critical gravimetric analytical filtration procedures. In the manufacturing process...

Jueves 12 septiembre 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

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

When storing the column, the column should be filled with acetonitrile or methanol, and the column joint should be tightened to prevent the solvent from evaporating and drying. It is absolutely forbidden to leave the buffer solution in the HPLC columns for an overnight or longer period of time...

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...

Lunes 09 septiembre 2019

The macroscopic, physical properties of a powder pile are the basic characteristics of powder materials. Knowledge of these properties is therefore a crucial factor in powder production, processing and packaging, as well as in the transport, storage and application of these materials...

Lunes 09 septiembre 2019

Nano-particle Size Analyzer Nanoptic 90 is a nanoparticle analyzer based on the well-known technique of dynamic light scattering (DLS). Nanoptic 90 can measure nano materials with size down to 1nm. The high-power long lifetime laser and high sensitivity PMT provide Nanoptic 90 the...

Sábado 07 septiembre 2019

Cantidad : 5000 MT - Precio : EUR 100 / Ton

Typical Analysis Crude protein 80 % Crude fat 1 % Crude fiber 1 % Ruminant digestible protein 63.1 % Typical Amino Acid Profile Methionine 1.0% Crystine 1.4% Lysine 6.9% Tryptophane 1.0% Isoleucine 0.8% Histidine 3.05 % Valine 5.2% Leucine 10.3 % Arginine 2...

Viernes 06 septiembre 2019

Cantidad : 1000 - Precio : 100USD-10000USD

The Features of High Precision Benchtop Spectrophotometer Colorimeter It has high precision and uses the setting of the pre-positioning board, which eliminates the need to use the standard blackboard and whiteboard during the calibration of the traditional colorimeter and color difference meter...

Martes 03 septiembre 2019

Hawch disposable syringe filter is a fast and reliable filtering tool commonly used in laboratories. With the beautiful appearance, light weight and high cleanliness, it is quite available in basically any kind of filtration experiments, including food analysis, bio-fuel analysis...