COLUMN - 1392 Anuncios

Domingo 29 septiembre 2019

There are many types of chromatographic methods, and different classification methods can be used from different perspectives. Classification from the state of two phases. In the chromatography, the mobile phase may be a gas or a liquid, and thus can be classified into gas chromatography...

Sábado 28 septiembre 2019

Depending on the packing of the HPLC column. The following column types are available on the market: 1. Silica gel HPLC column: Silica gel is the earliest chromatographic column packing used in liquid chromatography. It has a wide range of applications. However, it can only be used...

Viernes 27 septiembre 2019

Cantidad : 1-2000 uni

ДЕТАЛЬ: Пешком через металлоискатель ОБНАРУЖИВАТЬ ЗОНЫ: 18 зон ЖК-ЭКРАН: экран ЛКД 5,7 дюймов ГРУППА УПРАВЛЕНИЯ: Дверь СИД обеих сторон ОБНАРУЖИВАТЬ СТАНДАРТ: одна монетка yuan ТРЕВОЖИТ МЕТОДЫ: Ядровый & светлый сигнал тревоги ЧУВСТВИТЕЛЬНОСТЬ: 0 до 255 ВЛАСТЬ: АК90В-250В...

Viernes 27 septiembre 2019

Cantidad : 1-2000 uni

DETECTING ZONE: 6 Zones ВЛАСТЬ: <20w> МАТЕРИАЛ ДВЕРИ: : ПВХ материал ЦВЕТ: сивер, или чернота POWER SUPPLY: AC90V-250V 50HZ-60HZ ВЕС: 75kg РАЗМЕРНОСТИ: 2200мм (х) *800мм (в) *500мм (д) CHANNEL DIMENSION: 2010mm (H) *700mm (W)*500mm (D) ОПЕРАТИВНАЯ СРЕДА: -20...

Viernes 27 septiembre 2019

Cantidad : 1 - Precio : 2000USD

The common mill can be divided into the ball mill, column mill, bar mill, tube mill, self-grinding machine, rotary mortar roller mill, vertical mill, multi-layer vertical mill, vertical roller mill, disc mill, DMC mill and so on. For the mill has a small footprint, the finished particle...

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...

Jueves 26 septiembre 2019

Concrete placing boom used to deliver and place the concrete, which is connected to a concrete pump. As an auxiliary equipment for concrete pump, it can deliver the concrete quickly and accurately through the connected like a mechanical hand. It also expands the concrete pumping area...

Jueves 26 septiembre 2019

TRUEMAX column inner climbing concrete hydraulic placing boom is TRUEMAX star product in all TRUEMAX products range. Because of the automatic climbing mechanism which is equipped in placing boom, it can be climbed by hydraulic cylinder and lifting as the building rise its height....

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

Cantidad : 1 - Precio : 4800-35000usd

4 axis CNC router for full automatic 3D machining of carving, engraving, marking, cutting, turning, drilling, milling or grooving. 4 axis cnc router machine is available for wood (softwood, hardwood, solid wood, plywood, MDF),fabric, leather, PVC. And 4 axis cnc woodworking machines...

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

Suitable for a general flash chromatography method analysis, the flash column chromatography is the method of isolating a component from a mixture and purify it as well. Different from the old method: long column chromatography technology, flash column chromatography can separate...

Martes 24 septiembre 2019

Ion Chromatography is one of high-performance liquid chromatography (HPLC) and is a liquid chromatography method for the analysis of anions and cations. In a narrow sense, ion chromatography is a chromatographic method in which a low exchange capacity ion exchange resin is used as...

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...

Martes 24 septiembre 2019

Cantidad : 1 - Precio : 7800-200000usd

Features of Centrifugal Dewatering Machine Processing Capacity: 1-10Tons/hour Application Scope: Cassava or potato starch dewatering Product Introduction: Centrifugal dewatering machine, centrifugal dewater machine, cassava dewatering machine, cassava starch dewatering machine for...

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...

Sábado 21 septiembre 2019

Cantidad : 5000 ton/p - Precio : 0.8usd

Product description Stainless Steel Capillary Tube Description: Whether you need to exchange device tubing as a section of your troubleshooting or want to minimize the dwell extent of your system as you pass to narrower columns, WENZHOU HUASHANG STEEL CO., LTD. has the first-rate...

Viernes 20 septiembre 2019

Syringe filter can be used in the analysis of high performance liquid chromatography and IC. It is an important step in sample pretreatment to filter sample solution. The syringe filter with high quality is produced by using the most advanced detection means and production technology...

Viernes 20 septiembre 2019

Hawach spherical C18 flash column is a typical column product used for the preparative separation, which has undergone rigorous mass determination before sales. The performance parameters of the flash column are carefully controlled and rigorously tested as well. Basic Information...

Viernes 20 septiembre 2019

Silica matrix HPLC columns are generally compatible, but organic polymer matrix columns may expand or contract in some solvent combinations, which will affect their chromatographic behavior. Wash each solvent system at least 20 volumes. Because some solvent systems are highly viscous...

Jueves 19 septiembre 2019

Description of Sit Stand Desk Converter： Sit stand desk converter can turn your desk into a healthy workstation in a few minutes. Adjustable standing computer workstation supports single, double, three, or four panel displays and function button height adjustment. This Workstation-...

Jueves 19 septiembre 2019

Description of One Motor One Leg Electric Height Adjustable Standing Desk: One motor one leg electric adjustable standing desk is suitable for platform. Supported by YN-D07 environmental control box, it can be easily moved to the desired height by pressing a button on the controller...

Jueves 19 septiembre 2019

When you understand the functions of the lift standing desk, and the benefits of using the lift standing desk. We Shared how to choose a good lift standing desk, through which aspects to identify the advantages and disadvantages of lift standing desk frame. Finally, we need to share...

Jueves 19 septiembre 2019

Cantidad : 1 - Precio : Product: 1-100 yuan

The SMC cable bracket is a combination consisting of a cable bracket, a post and a fixed pin. The material of the column and the pin is also made by the high temperature pultrusion of the FRP composite. The column can be arbitrarily cut length according to the needs, the height...

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

It is a liquid chromatography using a chemically bonded phase as a stationary phase, which is formed by chemically reacting an organic molecule to a surface of a carrier (silica gel) by a covalent bond to form a uniform, firm monolayer thin layer. The separation mechanism is both...

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

Flash column from Hawach Scientific features in high compatibility, safety, and flexibility, most of them can be used for separation of different compounds with good flow distribution. Customized packing and clean package make the super clean environment and better shipping cost,...

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...