DIFFERENCE - 3117 Anuncios
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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Sábado 13 julio 2019
It is important to choose the suitable heat conduction medium, to make sure that system works stably. To choose the suitable medium according to the working temperature of the system is essential. How to Determine Freezing Water Flow Rate? A lot of people will ask such a question...
Wuxi Guanya Refrigeration technology co., ltd
- 214115 - Wuxi
- 0510 82303782
Viernes 12 julio 2019
Note on the filter paper box that when using the quantitative and qualitative analysis filter paper to filter the precipitate: 1. Generally uses natural filtration, using the filter paper body and the ability to retain solid particles to separate the liquid and solid; 2. Because the...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 11 julio 2019
The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 11 julio 2019
The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 11 julio 2019
Filter cartridges are purification equipment, with long service life, strong pollution capacity and low pressure and other characteristics, which are suitable for pharmaceutical, food, petroleum, electronic, chemical, metallurgical and textile industries. Features of filter cartridges 1...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 08 julio 2019
1.Classification of extraction thimbles The extraction thimble, as its name implies, is a cylindrical element used for extracting. According to the material, it can be divided into three categories: cellulose exaction thimbles, glass fiber exaction thimbles, and quartz fiber exaction thimbles...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Viernes 05 julio 2019
Overview The Single glass window consists of an aluminum frame and a single layer of tempered glass. Due to the transparent properties of glass, it is usually used as an observation window. Because there is only one layer of glass, the thermal insulation of the windows is not particularly good...
Suzhou Wonzone Construction CO.,LTD
- 215300 - kunshan
- 0512 88888888
Viernes 05 julio 2019
We recommend materials and applications of two kinds of extraction thimbles in Hawach. The material of extraction thimbles Due to different materials of extraction thimbles, two types of extraction thimbles are sold in the Chinese market. Cellulose extraction thimbles: high-grade...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 04 julio 2019
Precio : US $1 - 3,000 / Set
The bronze balancing valve is required to maintain the flow of these or end equipment at all times within the working differential pressure range. As the system pressure fluctuates, the valve will automatically move up and down to change the opening, thus keeping the pipeline flow constant...
ZhengFeng Valve Group
- 200080 - shanghai
- 86 21 39597277
Jueves 04 julio 2019
C8 HPLC columns are used to isolate many organic compounds, which are one of the reversed phase silica gel columns. The maintenance of C8 HPLC columns requires organic solvents. Chromatographic grade methanol is recommended and different brands of chromatographic columns should be...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 04 julio 2019
The silicon hydroxyl group with strongly polar on the surface of glass sample vials will adsorb the samples. Based on such reasons, people produce hydrophobic glass surface through silylating the sample vials in order to eliminate the adsorption of the sample vials, which is widely...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 04 julio 2019
Hawach Three-Branches Vacuum Filtrations system is an important branch of the vacuum filtration unit. Unlike a typical suction unit, each set can only filter one set of samples. The biggest feature is that at the same time, rely on a set of equipment and a suction pump. Three sets...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Viernes 28 junio 2019
Stationary Phase & Mobile Phase The stationary phase is used to separate the substances, which is packed into HPLC Column directly; Mobile phase is the carrier, which carries the substances into the stationary phase and goes through the stationary phase. It is gas in the vapor phase...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Lunes 24 junio 2019
4-Digits LED, Φ80mm SS304 Shell; Dual Relay, Output NONC; Optional 4-20mA or RS485; Intelligent Pressure display and control, alternative for Mechanical Pressure Switch and Gauge together, wield in Industry applications Typical Feature Stainless steel 304 shell, dial diameter Ф80mm...
Shanghai Xuyan Precision Technology Co., Ltd.
- 201306 - shanghai
- +86 215 9241315
Lunes 24 junio 2019
4-Digits LED, Φ80mm Plastic Shell; Dual Relay, Output NONC; Set Alarm In Whole Range Intelligent Pressure display and control, alternative for Mechanical Pressure Switch and Gauge together, wield in Industry applications Typical Feature Plastic shell, dial diameter Ф80mm 4-Digits LED Display...
Shanghai Xuyan Precision Technology Co., Ltd.
- 201306 - shanghai
- +86 215 9241315
Lunes 24 junio 2019
4-Digits; Dual Relay, Output Signal NONC; Set Alarm Point In Whole Measurement Range 100x76mm size, Plastic shell, integrating pressure measurement and control; Widely used in Automatic System, Mobile Working Machines, Medical Equipment, Pump, Compressor, Energy and Water Treatment...
Shanghai Xuyan Precision Technology Co., Ltd.
- 201306 - shanghai
- +86 215 9241315
Lunes 24 junio 2019
Dual Relay, Output Signal NONC;Set Alarm Point In Whole Measurement Range Dual relay, output signal NONC; Set Alarm Point in whole measurement range Typical Feature - Dual relay, Output signal NONC - 4-Digits LED Display. - Power supply 24VDC; Optional 220VAC - Accuracy level: 0...
Shanghai Xuyan Precision Technology Co., Ltd.
- 201306 - shanghai
- +86 215 9241315
Jueves 20 junio 2019
Basic Knowledge of Vacuum Filtration Based on the principle that under the same pressure (vacuum degree), the vaporization temperature of the water is lower than that of oil, scientists make practical equipment which is called vacuum filter. In fact, vacuum filtration is the most...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Jueves 20 junio 2019
PTFE stands for Poly Tetra Fluoroethylene. People generally call it non-sticking lining or easy-cleaning material. The material of PTFE has the characteristics of antiacid and antisolvent, which means it is hardly insoluble in all solvents. And PTFE is heat-resistant and with low...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Miércoles 19 junio 2019
SINPAR Octane Engines FTC-M1/M2 provide the system for determining the octane number of gasoline and fuel blending components, the same as Waukesha CFR engine, using a standardized single cylinder, four-stroke cycle, variable compression ratio, carburetor. SINPAR FTC Octane engine...
Shanghai Sinpar Scientific Instrument Co.,Ltd
- 201311 - shanghai
- 021 60538164
Martes 18 junio 2019
After running for a period of time, the normal operation of ultra-low temperature circulating water chiller needs comprehensive maintenance and maintenance. For many enterprises, due to the weak consciousness of daily maintenance, the cryogenic cycle water chiller has been used for...
Wuxi Guanya Refrigeration technology co., ltd
- 214115 - Wuxi
- 0510 82303782
Martes 18 junio 2019
We know that the low temperature chillers are complicated equipment. Even the switch process, if not according to the standard of operation or with no special maintenance, will inevitably lead to a decline in the refrigeration efficiency of the low temperature chillers and will greatly...
Wuxi Guanya Refrigeration technology co., ltd
- 214115 - Wuxi
- 0510 82303782
Martes 18 junio 2019
High and low temperature impact thermal shock chamber for sale is a necessary test equipment of material such as metal, plastic, rubber, electronics and so on, used for testing material structure or composite material. It can figure out the tolerance degree in the instantaneous continuous...
Wuxi Guanya Refrigeration technology co., ltd
- 214115 - Wuxi
- 0510 82303782
Lunes 17 junio 2019
CSA expansive additive description: The CSA expansive additive is obtained by blending natural anhydrite with clinker powder which consists of calcium sulfoaluminate and CaO. This CSA expansive additive is always mixed with ordinary cement. When mixed in the proper proportion with...
OREWORLD TRADE(TANGSHAN) CO., LTD.
- 63000 - tangshan
- 03155392228
Jueves 13 junio 2019
A. Cellulose Extraction Thimbles 1. 60% high purity grade polar fiber+40% refined cotton fiber no any binding agents which make it has stronger mechanical strength and stronger retention 2. 6 wall thickness optional to meet different retention and wet strength, dry strength increasing...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Miércoles 12 junio 2019
- STANDING MAT 1#: - Humans did not evolve on a completely flat surface. Our feet, like our bodies, are meant to move. Therefore, our company has developed a standing mat that conforms to the terrain, stand mat 1#. The unique peaks and troughs will make you more willing to move around...
Shaoxing Yunna trading Co,.ltd
- 312400 - shaoxing
- +86 13735208020
Lunes 10 junio 2019
Features Ensure print quality, IC spacing 0.3mm above. Printing scraper can rotate 45 ° degrees fixed up, Easy to clean and replace the printing plate and scraper. Suitable for difference guts and solder paste, automatically to adjust the parameter for good printing result. Free adjustable...
Guangdong Moje intelligent Equipment Co,.LTD.
- 510000 - Guangzhou City
- 020 89817005
Viernes 07 junio 2019
Cantidad : 4 pcs - Precio : USD 10-470
With the rapid development of modern industrial engineering, the various manufacturing machine, transportation machine are all developing to high speed, high efficiency, high precision, and automation. However, with the increase of equipment's power and speed, the intensity of the...
Xi'an Hoan Microwave Co., ltd
- 710077 - xi'an
- 86 13649209860
- 86 29 85521190