RESULT - 4494 Annonces

Lundi 15 juillet 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...

Lundi 15 juillet 2019

Laboratory data show that the optimum flow rate of silica gel flash columns is decided by the length and width of columns and the property of gel. To be more specific, longer and narrower columns will provide more theoretical plates which are able to affect the flow rate. When referring...

Lundi 15 juillet 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...

Lundi 15 juillet 2019

All the technique cores of HPLC from Hawach Scientific are focused on the characteristics of the chromatogram column. Quality Recognition This is shown as the fact that terminal customers have published more than 500 papers on those journals at home and abroad. For famous oversea journals...

Samedi 13 juillet 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...

Vendredi 12 juillet 2019

Hawach ensures the accuracy of each sample vial and cap specification, from the initial design to the final photoelectric scanning inspection process, our strict tolerance control throughout the entire manufacturing process. Integrity, cleanliness, and uniformity of a sample vial...

Mercredi 10 juillet 2019

Cellulose extraction thimbles are widely used in Soxhlet extractors. Soxhlet extraction is a widely used technology to analyze lipids or pesticides in food and soil materials and others. Soxhlet extraction is the continuous extraction of the required components in the solid mixture...

Mercredi 10 juillet 2019

The biggest feature of filter paper is paper with good filtration performance. At present, the filter papers produced in China mainly include quantitative analysis filter paper, qualitative analysis filter paper and chromatographic qualitative analysis filter paper. Quantitative filter...

Lundi 08 juillet 2019

Single-Channel Manual Pipette Features Tip the pop-up button for one-handed operation. The handle hook can be easily attached to the palm of your hand. Clear readings. The tip retracting rod and nozzle can be removed for easy cleaning and maintenance. Rotatable dispensing head makes...

Lundi 08 juillet 2019

QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...

Mardi 02 juillet 2019

Stainless Steel Filtration System Product Introduction Hawach stainles s steel filtration system is widely used in research units, inspection and quarantine institutions, quality monitoring institutions, natural mineral water industry, drinking water industry, the pharmaceutical industry...

Mardi 02 juillet 2019

ITATOO Thermal Stencil Tattoo Transfer Paper 10 Pcs for Tattooing About Product： - Professional transfer papers for tattoo or stencil use. Perfect for tattoo shops and artists. Fun and easy. - Each piece includes 4 layers: 1) master sheet to which the design is applied. 2) protective...

Lundi 01 juillet 2019

With the accession to WTO, China is becoming a more and more international market. Most of the Fortune 500 multinational companies have come to China and achieved significant growth as a result. Not limited to multinationals,, thousands of small and medium size companies have china...

Lundi 01 juillet 2019

There are a number of government bodies you need to go through if you want business deregistration or deregistration of company. The period to deregister a business generally would normally range from 3 months to half a year or even longer due to complicated procedures. Of these government...

Lundi 01 juillet 2019

Chinese tax authorities require all enterprises to complete a tax filing on a monthly basis (quarterly for representative offices), failure to do so may result in late interest penalties and fines. You may also be required by your headquarters' management to update them on how well...

Lundi 01 juillet 2019

- Heat Resistant Silicone Adhesive/Sealant - 3912R - - FEATURES OF GOLOHO-3912R - ·UL certificated product(E254532)·One-part RTV silicone rubber· Exposure to humid air can be cured at room temperature· Flowing · Form rubber elastomer · Use at: -50~200℃· Excellent insulating and...

Lundi 01 juillet 2019

- High Performance Silicone Adhesive/heat resistant waterproof Sealant - 3334 - - FEATURES OF GOLOHO-3334 - Convenient: one-part, deoximation, rapid cure at room temperature Neutral, no corrosion to metal, anti-yellowing. Excellent adhesive to hard bonding materials without prime Use at...

Lundi 01 juillet 2019

- Thermally Conductive Silicone Adhesive - 2752 - - FEATURES OF GOLOHO-2752 - GOLOHO-2741 is a high performance rtv grease silicone thermally conductive adhesive· Excellent thermal conductive, heat dissipation and adhesion·Small power heater can be directly bonded on the radiator...

Lundi 01 juillet 2019

- Two-Part, 1 To 1 Mix Ratio Transparent two part silicone gel - 324C-AB - - SPECIAL FEATURES OF GOLOHO-324C-AB - 1: 1Two-part, 1: 1 mix ratioLow viscosityRoom temperature accelerated cure, no small molecule releaseSuitable working time at room temperatureExcellent adhesion and...

Lundi 01 juillet 2019

- Low VOC Silicone Modified Polyurethane Conformal Coating - L325 - - FEATURES OF GOLOHO-L325 - ·Convenient to use: organic silicon modified polyurethane type, good waterproof, easy to repair. ·Neutral, no corrosion for many metals, anti-yellowing. Outstanding bond strength for...

Lundi 01 juillet 2019

The aim of flash column chromatography is to separate components from the mixture and purify it. Briefly, flash column chromatography allows samples to be separated through columns filled with gels. Flash column chromatography has been widely used in organic chemistry since its inception...

Lundi 01 juillet 2019

Usually, there are two essential properties that end users are the most—extractability of the impurities and advantages of microporous polymer membranes. Extractability of The Impurities Scientific laboratories mostly apply the membrane product to filter samples, mobile phase, and...

Lundi 01 juillet 2019

After selecting the type of SPE cartridges, we have to determine the specifications of the SPE cartridge. The principle of selecting the SPE cartridge specification is to first ensure that the SPE cartridge packing has sufficient capacity to retain the target compound 100% on the column...

Dimanche 23 juin 2019

Nowadays, the standards of people's living are improving, not only to install air-conditioning, floor heating, and better-conditioned homes,but also to install ventilator, dehumidification and other equipment. A person with insights who is more environmentally conscious, and also...

Vendredi 21 juin 2019

We can always hear such a conversation between those researchers. “Hey, buddy, what is your purity degree of the end products today?” “Damn it. Such a low degree that I cannot even use for the next step. Any better methods for clarifying raw materials?” Then there comes Hawach syringe filter...

Jeudi 20 juin 2019

Suitable for Soxhlet-type and other similar devices, the extraction thimbles are used to adapt a sample of solid material to extract certain components out, with the addition of sufficient and appropriate solvent. Cellulose extraction thimbles which are made of high-quality alpha...

Mercredi 19 juin 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...

Mardi 18 juin 2019

1. To save water resources, it is possible to use the glycol-water mixture to carry out circulating refrigeration, strict circulation pipeline design, prevent circulating water pollution, and prolong the use time of circulating water; 2. Original imported compressor, overlapping supercooled...

Mardi 18 juin 2019

Industrial chiller is also known as industrial water cooled chiller, screw chiller, fluid cooler, produced by Wuxi LNEYA chiller Company as professional top chiller manufacturers and supplier of cold water machine, deep refrigeration industry, with its high-quality customer service...

Lundi 17 juin 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...