HYDROPHOBIC - 178 Anuncios

Jueves 10 octubre 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Miércoles 09 octubre 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...

Martes 08 octubre 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Lunes 30 septiembre 2019

Syringe filters are widely used in the laboratory. They do not need to change membranes and clean filters, thus eliminating complex and time-consuming preparations. It is mainly used for sample pre-filtration, clarification and bacterial filtration of particles, liquids and gases...

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...

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 : 1-200ton - Precio : 10usd

The Characteristics of Silicone Rubber Insulation Product 1. Heat and Cold Resistance Since silicone rubber has high bond energy and good chemical stability, its heat resistance is better than that of organic polymers. Furthermore, since the intermolecular interaction force is weak...

Miércoles 25 septiembre 2019

Cantidad : 1-200ton - Precio : 10usd

Anti-pollution Flashover Coating (RTV) High Voltage Insulator Coatings (HVIC) To prevent the electrical equipment from pollution flashover in humid climate; Free of surface maintenance and cleaning after coated. Features of RTV Silicone Coating for Insulator: 1. Excellent hydrophobicity...

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...

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”...

Miércoles 11 septiembre 2019

Generally, there are five types of filter capsule based on the membrane it contains, which includes PES, PP, PTFE, Nylon and GF type. The former three types are widely applied in various fields and receive great feedback from the users. - PES Filter Capsule - The PES filter capsule...

Martes 03 septiembre 2019

Syringe filter material: PTFE/NY/CA/PES/MCE/PVDF/RC/GF parameters: 13mm,0.22um/13mm,0.45um/17mm,0.22um/17mm ,0.45um/25mm,0.22um/22mm,0.45um/30mm,0.2 2um/30mm,0.45um Hydrophobic/Hydrophilic Ubicación : NO.158 east of huayuan road, 324000 quzhou, Persona a contactar : Susan Xu, +18 9...

Martes 03 septiembre 2019

Hawach hydrophobic polytetrafluoroethylene(PTFE) pleated filter cartridge has high porosity, high flow rate, and strong bacterial interception ability. Unique PTFE and polypropylene materials make it have wide chemical compatibility and biological safety. Hawach PTFE pleated filter...

Sábado 17 agosto 2019

Cantidad : 500kg

The Characteristics of silicone electrical insulation Product 1. Heat and Cold Resistance Since silicone rubber has high bond energy and good chemical stability, its heat resistance is better than that of organic polymers. Furthermore, since the intermolecular interaction force is weak...

Sábado 17 agosto 2019

Cantidad : 500kg

Anti-pollution Flashover Coating (rtv insulator coating) High Voltage Insulator Coatings (HVIC) To prevent the electrical equipment from pollution flashover in humid climate; Free of surface maintenance and cleaning after coated. Features of RTV High Voltage Insulator Coating: 1...

Sábado 17 agosto 2019

Cantidad : 500kg

High Voltage Insulator Coating (HVIC) is used on excessive voltage insulators to forestall flashover and arcing, particular in severely contaminated environments. Following the following 2 tips, you will get good results: Clean all surfaces of dust, grease and wax & Check temperature...

Sábado 17 agosto 2019

Cantidad : 500kg

A functional insulator coating to protect insulators in pollution area, such as industrial area, coastal area and other extreme environmental conditions, also can be used in normal environmental conditions. RTV-II/ PRTV is a one part and new type Room Temperature Vulcanizing RTV silicone...

Viernes 16 agosto 2019

According to the given principles of Hawach, there are three general sorts of syringe filter products specially designed for different customers' requirements. FILTSTAR Series With a high class, transparent color and imported membrane, the FILTSTAR is obviously distinguished with three standards...

Viernes 16 agosto 2019

The membrane filters of different materials have different characteristics. Here are as follows: - Nylon (NY) Material - Features: hydrophilic, resistant to some organic materials, not strong acid, protein binding capacity is high, so it is not suitable for protein recovery. Application...

Martes 13 agosto 2019

Syringe filter is suitable for filtering a small number of samples in the laboratory because of its low adsorbability. The low adsorbability ensures a large amount of recovery of small or high-value samples. The shell of the filter will not pollute the samples. It has stable quality...

Lunes 12 agosto 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

Lunes 12 agosto 2019

Solid phase extraction principle Solid phase extraction is a separation technique that combines selective retention, selective elution, and the like. When a complex sample solution passes through the sorbent, the sorbent selectively retains the aimed compound and a small number of...

Jueves 08 agosto 2019

As a single-use filter cartridge, Syringe filters are utilized to remove particles from the sample prior to high-performance liquid chromatography (HPLC). The scientists like to attach them to the end of the syringes for general filtration, as syringe filters are affordable and convenient...

Martes 06 agosto 2019

The hydrophilic polyvinylidene fluoride membrane filter is commonly used for the purification and filtration such as tissue culture media, additives, and other sterilization filtration solvents, chemical raw materials, aseptic processing of reagents, and for filtration of high-temperature liquid...

Viernes 02 agosto 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

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

Syringe filters are widely used in laboratories. The users do not need to change membranes and clean filters, which can save complex and time-consuming preparations. It is very convenient and easy to operate. They are mainly used in sample pre-filtration, clarification, degerming of particles...

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...

Jueves 04 julio 2019

The filler of polymeric HLB SPE cartridges produced by a special copolymerization technology contains a certain proportion of the hydrophilic group and the hydrophobic group. Hydrophobic divinyl benzene structures retain nonpolar compounds and hydrophilic n-vinyl pyrrolidone structures...