ALKALINES - 548 Anuncios

Martes 10 marzo 2020

Types of HAWACH HPLC Column There are 2 kinds of HAWACH HPLC columns: Xcheoma series: with many types of fixed phase; with complete varieties and high quality. C18-Aqueous; C18-universal;C18-low pH; C18-Alkaline; C8-universal; C8-Low pH; C8-Fluorine; C4; C30; C1;Phenyl; PAH; etc Echroma series...

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...

Martes 21 enero 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Viernes 10 enero 2020

Cantidad : 1 - Precio : 100,00 €

Portable colorimeter of XZBELEC is widely used in different industries such as plastic, printing, paint, textile, dyeing, etc. It measures the sample color value of L*a*b*, L*c*h*, color difference ΔE and ΔLab according to CIE color space. 1. Introduction Device sensor exports Japan...

Jueves 12 diciembre 2019

Hawach bottle-top dispenser is an instrument for measuring liquid medicine. To ensure that your bottleneck dispenser has a long service life, some maintenance, and cleaning work can be done in the following situations: the pipette piston is not flexible; the dispensing of some restrictive...

Miércoles 11 diciembre 2019

The HPLC reversed-phase column is made of high-purity and high-strength silica gel by using advanced bonding technology. It has a high surface bonding rate and good peak shape for alkaline and acidic compounds. With a high column capacity and long service life, it is the one for the...

Martes 10 diciembre 2019

The protective HPLC columns influence the separation result. First of all, the protective column has a good positive effect on the experiments. Even if the stationary phase is chosen incorrectly, the protective column can also be effective for separation. The protective column is...

Viernes 27 septiembre 2019

Reliable flash columns play a decisive role in a good chromatographic separation method, which ensures complete separation of valuable compounds and specific impurities. Choosing the right flash column is the most critical part of the purification process. There are two aspects should...

Viernes 27 septiembre 2019

Cantidad : 1000 - Precio : 100-10000usd

XZBELEC Technology specialize in researching and designing optical instruments, including the IR power meter used to test the IR intensity and the UV power meter used to test the UV intensity, at the same time, these power meters can calculate the rejection rate. Especially apply...

Viernes 27 septiembre 2019

Cantidad : 1000 - Precio : 100-10000usd

LS210 Digital Glass Thickness Gauge Portable Digital Glass Thickness Meter For Air Space Single Double-Glazing Pane Insulated Glass IG With Resolution 0.2mm LS210 LS210 Digital Glass thickness meter is mainly used on measuring glass and air space in insulated glass (IG), it also can...

Viernes 27 septiembre 2019

Cantidad : 1000 - Precio : 100-10000usd

Colorimeter is widely used in different industries such as plastic, printing, paint, textile, dyeing, etc. It measures the sample color value of L*a*b*, L*c*h*, color difference ΔE and ΔLab according to CIE color space. 1. Introduction of XZB-C10 Portable Colorimeter Device sensor...

Jueves 26 septiembre 2019

Cantidad : 1-5000 uni

NOMBRE DEL PRODUCTO: Detector de metales Hand Held TENSIÓN DE ALIMENTACIÓN: batería estándar 9V VOLTAJE DE FUNCIONAMIENTO: 7V-9V IMPERMEABLE: IP31 PAQUETE: 25pcs/carton USO: Control de seguridad TÉRMINOS DE LA ALARMA: sonido (vibración) y alarma ligera DIMENSIÓN DE LA UNIDAD...

Jueves 26 septiembre 2019

- Reversed-Phase Principle - The reversed-phase filler is a kindly of nonpolar filler such as C4, C8, C18 aliphatic chain which is bonded on the silica gel. Nonpolar or hydrophobic compounds are strongly reserved, while polar samples are weakly reserved and go through the flash reversed-phase...

Miércoles 25 septiembre 2019

Alkaline protease was extracted by liquid culture of Bacillus licheniformis NO.2709. This product is an alkaline protease enzyme preparation catalyzing protein hydrolysis under alkaline condition (PH during 9-12). It is suitable for industries such as enzymatic detergent, leather depilation...

Miércoles 25 septiembre 2019

Cantidad : 1-200ton - Precio : 10usd

Instructions of Epoxy Zinc-Rich Primer It is two components epoxy zinc-rich primer heavy corrosion by a zinc primer, epoxy resin and other components. On steel surface treated to form a hard, wear-resistant, durable film, and provide long-lasting cathode protection. Property of Zinc...

Martes 24 septiembre 2019

The filter bag is an indispensable element in the filtration process, which is suitable for filtering general industrial liquid such as food, chemical, grain, oil, and other chemical liquid. Filter bag provided by our company is made of environmentally friendly materials, it conforms...

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...

Viernes 06 septiembre 2019

Cantidad : 1000 - Precio : 100USD-10000USD

60 20 Degree Portable Digital Glossmeter Gloss Meter with granite plastic paints coating gloss Tester Vancometer Gauge MG26-F2 1.plications： ★All kinds of coating and finishing surfaces, such as paints, varnishes, printing ink, etc. ★Decorative materials, such as marble, granite, polishing brick...

Miércoles 14 agosto 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Lunes 12 agosto 2019

The system of an HPLC column is composed of a liquid, a reservoir, a pump, a sampler, a column, a detector and a recorder. - The packing material of HPLC columns - The packing material has high carbon content, small surface polarity, very low chemical purity and high surface separation...

Martes 06 agosto 2019

Cantidad : 100000TM - Precio : 50USD

Uses of Diethanolamine Diethanolamine similar to triethanolamine (T775580) is used as a surfactant. It also has the potential to be a corrosion inhibitor by means of chemisorption. Definition of Diethanolamine ChEBI: A member of the class of ethanolamines that is ethanolamine having...

Sábado 03 agosto 2019

SPE cartridge can be divided into three classes on the markets: silica-based cartridges, polymer-based cartridges, and adsorption-based cartridges. And here we talk about the three types of silica-based cartridges. The first type is the C18 cartridges. This kind of cartridges bond...

Viernes 19 julio 2019

Bonded-phase chromatography is a liquid-liquid chromatography method in which a stationary phase is covalently bound to a carrier particle, which overcomes the mechanical shock in the distribution chromatography, the constant loss of the stationary phase and the gradual change of...

Martes 09 julio 2019

The reversed-phase HPLC columns may be repeatedly injected into a sample containing a strongly retained material, and in particular, the sorbent components such as large molecular weight or hydrophobic biological flow proteins and strong alkaline substances may be adsorbed on the silica medium...

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...

Lunes 08 julio 2019

HPLC is the separation of sample components between the column packing and the mobile phase for mass exchange. Therefore, the mobile phase is required to have the following characteristics: a. the flow relative to the sample has a certain solubility, to ensure that the sample components...

Jueves 04 julio 2019

The bottle-top dispenser, also known as the bottle-top pipette, is an instrument for accurately measuring liquid medicine. It is widely used in the biological and chemical fields, as well as in clinical medicine, industrial and commercial laboratories. Bottle-top dispenser material Generally...

Miércoles 03 julio 2019

Magnesia bricks description Magnesia bricks are a kind of alkalescency refractory bricks that made from the sintered magnesium with its content of 87%-97% and that are combined with silicate. Since its combination composition is mainly CMS-M2S system, its Load softening temperature...

Martes 02 julio 2019

The average sample addition recovery rate of QuEChERS method is higher than 85%, with fewer impurities interfering with the detection of the target substance, a small amount of solvent, simple and fast operation, which will be the preferred pretreatment method for routine detection...

Viernes 21 junio 2019

The material of the nylon membrane filter is aliphatic nylon. It has good hydrophilicity, the appropriate concentration of acid and alkali resistant, and applies not only acid and alkaline aqueous solution, but also suitable for organic solvent, such as s, hydrocarbon, ethers, esters...