DEGREE - 5641 Anuncios
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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Miércoles 14 agosto 2019
The important technical parameters of Hawach SPE Columns are the key points of selection. Material The material selection of the SPE column is very important. The column material is in direct contact with the test object or analyte. The quality of material selection determines the...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 13 agosto 2019
Laboratory vacuum filtration equipment is specially designed for laboratory workers to maintain solid-liquid separation of liquid samples. Operation Procedures of Diaphragm Vacuum Pump 1. Put the glass filter flask on the stainless steel workbench, and insert the silica gel plug of...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 13 agosto 2019
Filtration is a kind of physical changes which separate solid impurities from the liquid through porous filter media, only fluid can pass by the porous filter media. So the degree of retention determines the separation efficiency. Hawach provides various options to satisfy every laboratory...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 12 agosto 2019
With the continuous development of the sample vials, more and more types and functions of the sample vials appear in laboratory analysis. The capacity of sample vials is bigger and bigger. The sampling speed of the sample vials is faster and faster. The sampling accuracy is higher and higher...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Sábado 10 agosto 2019
Cantidad : Proofing b - Precio : 200-1500CNY
What is High Tg PCB When the temperature rises to a certain area, the substrate will change from "glass state" to "rubber state", and the temperature at this time is called the glass transition temperature (Tg) of the plate. That is, Tg is the highest temperature (°C) at which the...
Shenzhen Huhe Circuits Co.,Ltd.
- 518103 - Fuyong Street
- +15 9 76 88 36 32
Sábado 10 agosto 2019
Cantidad : Proofing b - Precio : 200-1500CNY
Hard Gold PCB, immersion gold pcb, is to immerse the board in the plating tank and apply current to form a nickel-gold coating on the copper foil surface of the board. The electro-nickel gold is characterized by high hardness, wear resistance and oxidation resistance. Widely used in applications...
Shenzhen Huhe Circuits Co.,Ltd.
- 518103 - Fuyong Street
- +15 9 76 88 36 32
Sábado 10 agosto 2019
Cantidad : 100000 - Precio : 30$
we specialize in production and selling Shower Curtains, the most Beautiful Country Bath Curtain, you can choose the long and wide of the Shower Curtain size.visit: https://www.diy-showercurtains.com This polyester fabric shower curtain is able to print colorful images with a fine...
Fujian Xiangsheng Textile Co., Ltd.
- locas
- 350000 - FuZhou
- 3385687847
Sábado 10 agosto 2019
Cantidad : 10000 - Precio : 1-10000 USD
PPC type airbag pulse bag filter is a new product introduced by the American Fule Company. This type of dust remover can be widely used in glass installation, warehouse roof, cooked cooling machine and mill dust collection system in cement plants. There are 33 kinds of specifications...
HEBEIOUTAI ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD
- 062150 - cangzhou
- 0317 8288592
Viernes 09 agosto 2019
Cantidad : 25kg - Precio : FOB Qingdao 2.4-2.9$
Preventing re-deposition of dirt effect Adding sodium carboxymethyl cellulose in detergent has the function of preventing the re-deposition of dirt. The working principle is that negatively charged dirt granule and charged sodium carboxymethyl cellulose molecular absorbing on fabrics...
Jining Fortune Biotech Co.,Ltd.
- 272350 - Jining
- +86 0537 6106347
Viernes 09 agosto 2019
Cantidad : 25kg - Precio : FOB Qingdao 2.4-2.9$
Description of cmc chemical china CMC Ceramic Grade can be used in the ceramic body as a reinforcer, excipient, and plasticizer. It can facilitate body shaping, CMC can also be used in glazing pulp and fancy glaze plays a role of thickening, binding, and dispersion. It can raise surface...
Jining Fortune Biotech Co.,Ltd.
- 272350 - Jining
- +86 0537 6106347
Viernes 09 agosto 2019
First, we need to determine if there is a leak in the pipette. 1. Detection method: 1) Visual inspection: first pipette the liquid using the pipette to be tested, then let it stand vertically for 15 seconds to see if there is a slow flow of droplets. If there is a droplet flowing out slowly...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Viernes 09 agosto 2019
Vacuum pump use precautions The function of the vacuum pump is to remove gas molecules from the vacuum chamber and reduce the gas pressure in the vacuum chamber to achieve the required vacuum. In general, there is a large range from atmospheric to very high vacuum, and so far no vacuum...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 08 agosto 2019
Flash columns adopt high-capacity silica gel for precise filling, which has very excellent separation and purification performance. The specific surface area of high-capacity spherical silica gel is 40% higher than that of ordinary spherical silica gel, and the sample loading is twice...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 06 agosto 2019
We are the one of the largest potential suppliers of Used Cooking oil with the prices of per ton USD: 300 CIF to your nearest port. The Specification of our UCO is as detailed below. - Free fatty acids: 1.75 % - M.I.U (Moisture and Impurities): 0.02 % - Saponification value: 186 - Iodine value...
STEFAREZ KFT
- 1087 - BUDAPEST
- +36 3 09 16 88 74
Martes 06 agosto 2019
Cantidad : 1 million - Precio : Small tablet: 1.9~30
HOWEASY LCD handing writing notepads are the best tool for family/ party fun activities. Allow kids to always have a blank canvas to explore their creativity wherever they are. The magnetic drawing pen draws in different colors. Take the mess out of painting and unleash your child's...
Howeasy (Shenzhen) Technology Co., Ltd
- 518103 - Fuhai
- 0086 15999670004
Martes 06 agosto 2019
Cantidad : 100000 squ - Precio : 26,80 €
Descripción del producto: La malla de cable de acero inoxidable tiene muchas aplicaciones diferentes, también denominada malla de cable de acero inoxidable, malla de acero inoxidable tejida a mano, malla de pajarera de acero inoxidable, malla de malla de balaustrada de acero inoxidable...
Anping sunflower wire mesh making co.,ltd
- sfwiremesh
- 053600 - Hengshui
- +8613363348732
Jueves 01 agosto 2019
Hawach bottle-top dispensers help to simplify the routine liquid transfer operation and are widely used in all kinds of liquid reagents – buffer solution, medium, vitamin solution, acid, alkali, salt solution or a variety of polar solution. Bottle-top dispensers can meet the needs...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Miércoles 31 julio 2019
With the rapid development of research and development technology and material technology, ball valve has gradually become the main valve and gradually replaced the plug valve, and the operating temperature range has been the same as other types of valves, and compared with other...
ZECO VALVE GROUP CO., LTD.
- 200080 - Shanghai
- 86 21 59599008
Miércoles 31 julio 2019
- The Selection Principle of Silica Gel Column - Commonly, the maximum sample loading volume of a silica gel column is about 1/20 of the volume of the column's silica gel. However, as a practical matter, specific sample loading volume should be decided by each constituent's degree...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 23 julio 2019
White Portland cement or white ordinary Portland cement (WOPC) is similar to ordinary, gray Portland cement in all respects except for its high degree of whiteness. Obtaining this color requires substantial modification to the method of manufacture, and because of this, it is somewhat...
OREWORLD TRADE(TANGSHAN) CO., LTD.
- 63000 - tangshan
- 03155392228
Martes 23 julio 2019
What is CSA Cement CSA(Calcium Sulfoaluminate Cement) cement is a special cement used in many applications where early high strength and fast setting development are necessary. CSA cement is short for Calcium Sulfoaluminate Cement, also named rapid setting cement, high strength cement...
OREWORLD TRADE(TANGSHAN) CO., LTD.
- 63000 - tangshan
- 03155392228
Martes 23 julio 2019
Thermal Insulation Bricks are high porosity refractories with low thermal conductivity and high porosity (no less than 45%) used to reduce heat losses and thus to maximize heat conservation within the furnace. Clay Insulation brick Characteristics High porosity Low volume density...
OREWORLD TRADE(TANGSHAN) CO., LTD.
- 63000 - tangshan
- 03155392228
Martes 23 julio 2019
What is CSA Cement CSA(Calcium Sulfoaluminate Cement) cement is a special cement used in many applications where early high strength and fast setting development are necessary. CSA cement is short for Calcium Sulfoaluminate Cement, also named rapid setting cement, high strength cement...
OREWORLD TRADE(TANGSHAN) CO., LTD.
- 63000 - tangshan
- 03155392228
Lunes 15 julio 2019
The sample vials were cleaned according to different contamination levels. Generally, the cleaning method is selected according to the degree of pollution. If the cost is adequate, it is best to use a new one every time. Solution method of cleaning sample vials: 1. Rinse with running...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 15 julio 2019
Laboratory workers use a membrane to filter two phases. Actually, the membrane is a kind of media. According to different aperture sizes, filter membranes can be divided into the microporous membrane, ultrafiltration membrane, nanofiltration membrane a nd reverse osmosis membranes...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Sábado 13 julio 2019
Use high temperature resistant low-temperature magnetic drive pump or a leak-free high and low-temperature shield-driven pump, reduce the risk of system leakage. At the same time, the screw water chiller system has the advantages of low noise and big traffic flow. Typical application...
Wuxi Guanya Refrigeration technology co., ltd
- 214115 - Wuxi
- 0510 82303782
Sábado 13 julio 2019
Lab Water Chiller SUNDI -60℃~300℃ A fully closed piping design, high efficiency plate heat exchanger used to reduce the demand for the thermal fluid utilization while providing the system to achieve the rapid ups and downs in temperature The whole system is a closed liquid circulation...
Wuxi Guanya Refrigeration technology co., ltd
- 214115 - Wuxi
- 0510 82303782
Martes 09 julio 2019
The cleaning of sample vial is very important. Usually, according to the principle of glass instrument washing and the degree of pollution to choose cleaning methods, there is no fixed mode. The specific methods are as follows: Method one: 1. Dry the sample in the sample vial. 2...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Martes 09 julio 2019
Rapid chromatography Technology for the separation and purification of natural products and biological macromolecules. It has the advantages of easy operation, cheap price, and rapid analysis, and a few other technologies can match the rapid chromatography in the application of purifying...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33