COMPOUND - 2024 Anuncios

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 : 50000/mont - Precio : usd3-10

Chemical Earth Electrode System Performance characteristics and working principle of Chemical Ground Electrode: 1. Chemical ground electrode 2. Existing soil 3. Special filler 4. Ions diffuse around 5. Expand the conductive range of the soil Chemical Grounding electrode (chemical...)

Miércoles 25 septiembre 2019

Stickum adhering to and inlaying the fasciculus is removed by textile enzymes, accelerating the separation of fibers, strengthening the wettability and hygroscopicity for the surface of textiles and improving the dyeing effect of yarn and textile. Textile enzymes can wipe filoplume...

Miércoles 25 septiembre 2019

Textile enzyme is a highly effective neutral cellulase preparation produced by the fermentation of trichoderma. Biopolishing enzymes textile industry is suitable for washing of towel fabric, can remove the surface hairiness, pellets, the treated towel fabric is softer, fluffy and drape well...

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...

Miércoles 25 septiembre 2019

Cantidad : 1-200ton - Precio : 10usd

The silicone rubber insulation coating is made from special silicone rubber, high-performance material and other polymers by polymer blending technology. Its basic structural unit is silicon - oxygen chain while its side chain is connected by silicone with another organic radical group...

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

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...

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...)

Jueves 19 septiembre 2019

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

Frame Moulding Features Mainly for pressure molding, the cavity pressure should be considered as small as possible when designing the parting surface. The exhaust should be smooth, the position of the discharge, the shape, and the flow of the material should be fully considered,...

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

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

BMC/SMC Insulation High-strength, wear-resistant, fire-resistant, BMC insulated, color BMC material for medium and low voltage insulators. Typical applications are switch boards, busbars, switchgear, etc. BMC (Body Molding Plastics) is a blend of glass fiber reinforced polyester resin...

Jueves 19 septiembre 2019

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

BMC/SMC Moulding Description: We mainly use SMC injection molding and pressure molding as the methods. When designing the flow channel and parting surface, we think that the cavity pressure should be as small as possible, especially some small ribs, as well as the smooth exhaust,...

Jueves 19 septiembre 2019

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

BMC/SMC Motor Description BMC plastic edging motor replaces traditional iron and aluminum, reduces the process, seals more, and has higher safety factor. It mainly refers to white goods and public motors. High insulation, chemical resistance, high fire resistance, good water resistance...

Jueves 19 septiembre 2019

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

Auto Parts Description Parts made from sheet molding compound (SMC) are typically 25-35% lighter than steel parts and aluminum products of the same strength. The stroke is increased and the fuel consumption is greatly reduced. Auto Parts And Accessories Featurs • Stable shape: SMC's...

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

Cantidad : 20GP - Precio : 5USD

Calcined Bauxite manufacturers produce Calcined Bauxite by firing (heating) the superior grade Bauxite at high temperature (from 850℃ to 1600℃). This removes moisture thereby increasing the alumina content. Compared to an alumina content of about 57 % to 58 % in raw Bauxite, Calcined...

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,...

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

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

Filtration is a process in a chemical experiment, separating solids from liquids or gases through a filter medium. Only the fluid or the gas is allowed to pass, not the solid. And the key words of filtration terms can help you understand how the filter works. Hydrophilic, called “water-loving”...

Jueves 12 septiembre 2019

Cellulose extraction thimbles are highly recommended as the high-quality sample reservoirs for quality control, research, and analytical applications especially when solvent extraction of solids and semi-solids need to be carried out. And the use of a Soxhlet extractor loads the safe...

Miércoles 11 septiembre 2019

Precio : 2200-2500USD

DSLR gimbal Manual Zooming for Freer Capture By connecting to the dedicated mobile APP, ZY Play, via Bluetooth, Smooth-Q allows instant zooming control of the camera right through the stabilizer. With a single push or pull of the switch, you can focus and capture the moment more freely...

Miércoles 11 septiembre 2019

Precio : 2200-2500USD

SMOOTH 4 Born for Mobile Filmmakers Zhiyun Smooth 4 turns your mobile phone into a professional filmmaking camera, helping you create stable and smooth footage with just your phone. The design of integrated control panel can reduce the need to touch the screen, and help users control...

Miércoles 11 septiembre 2019

Precio : 2200-2500USD

SMOOTH 4 Born for Mobile Filmmakers Zhiyun Smooth 4 turns your mobile phone into a professional filmmaking camera, helping you create stable and smooth footage with just your phone. The design of integrated control panel can reduce the need to touch the screen, and help users control...

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...

Martes 10 septiembre 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...