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Friday, March 13, 2020

Generally, vacuum filtration can be used for collecting a desired solid too. Do not use vacuum filtration to filter a solid from a liquid if it is the liquid that you want for your applications. If the liquid is a low boiling, vacuum filtration is not a good choice either, because...

Friday, March 13, 2020

Cellulose Extraction Thimble Hawach cellulose extraction thimble is made of cotton linters and noble cellulose fibers , and completely free from impurities. By adopting the most efficient and innovative technology, Hawach obtain a mold made of a single completely homogeneous piece...

Thursday, March 12, 2020

Quantity : 1 sets - Price : USD10,000-USD100,000

How to Prevent Rust Treatment of aluminium forming machine The gear oil used in the machine tool of the aluminum profile cold-bending machine must be introduced into the automobile fuel tank after severe stress. The automobile fuel tank of the cold-bending forming machine must be...

Thursday, March 12, 2020

Most filter paper is made of cotton fibers and is made in different ways for different purposes. Because it's made of fiber, As a result, its surface has numerous small holes through which liquid particles can pass, while larger solid particles cannot. This property allows the mixing...

Thursday, March 12, 2020

What areSyringe filter syringe filters used for? syringe filter, also known as needle filter, cylinder filter, cylinder filter membrane filter, etc., is used for sample prefiltration, clarification of the removal of particles, liquids and gases, etc. What are the advantages of using...

Wednesday, March 11, 2020

Hawach membrane filter is a poly-nuclear membrane composed of tens of thousands of micropores. Through membrane filter, particles larger than the aperture are filtered onto the surface. It is used to filter various solutions, remove bacteria and impurities. Also, the membrane filter...

Monday, March 09, 2020

Vacuum filtration is highly appreciated by scientists as the ideal technique. Suction is applied to a mixture of liquid and solid to get the fast and efficient results when we need to separate and keep the precipitate safe from a solution. On the one hand, vacuum filtration has lots...

Sunday, February 23, 2020

Quantity : 22 - Price : 195,00 €

To seize opportunity on a lot of office supply according to the following composition: 1 pallet of reams A4 white 80g 200 pieces 1 palette of pens, correction erasers, highlighters, erasers ... about 10,000 pieces 4 filing pallets about 1000 pieces 2 pallets of A3 80g paper reams 200 pieces 3 pallets of A4 pre-mounted archive boxes 1 pallet of archive case 1 pallet of various A4...

Wednesday, February 19, 2020

Brief Introduction of hydraulic motor spool valve: BM2 motor is a spool valve type motor. Characteristic Features: 1, Spool valve motor adapt the gerolor design. Combination efficiency is better than BM1 motor. 2, Credible design for shaft seal, which can bear high pressure and be...

Tuesday, January 21, 2020

Syringe filter is separation equipment which can be combined with a injector to filter out the impurities from the sample of chemically turbid solution. Syringe filter generally consists of a plastic housing and a membrane. The body of syringe filter (plastic housing) is usually made...

Monday, January 20, 2020

1. Nylon Features: good temperature resistance, can withstand 121°C saturation steam hot pressure disinfection for 30min, the highest operating temperature of 60°C, good chemical stability, can withstand dilute acid, dilute base, , ester, oil, hydrocarbons, halogenated hydrocarbons...

Friday, January 17, 2020

Vacuum filtration system is a kind of vacuum filtration device, which ingeniously combines all the components needed for Vacuum filtration on one body, saving space and simple operation. It is widely used in laboratories, including various microbial tests in food, medicine, beverage...

Thursday, January 16, 2020

In general, filter paper can be divided into two types, one is qualitative, one is quantitative. Qualitative filter paper generally refers to the generation of cotton fiber on its surface after filtration, which is generally only suitable for qualitative analysis. While the quantitative...

Wednesday, January 15, 2020

There are many product series, which is convenient for customers to choose the most suitable product. The diameter of the product ranges from 4mm, 13 mm, 25 mm, 33mm, 50mm, and the pore size is from 0.1 um to 10um. It can meet the filtration needs of different volume capacities and...

Wednesday, January 15, 2020

Hawach sample vial is also called a sampling bottle, purification bottle, sterile bottle, clean bottle, filter bottle, filter bottle, sampling bottle, filter bottle and so on. It is in accordance with the international standard: ISO3722 “hydraulic drive· sampling vessel cleaning method...

Tuesday, January 14, 2020

Membrane filter can be described as the permeate and the retentate when the substances pass a single feed stream through a membrane system and separate into two individual streams. And the membrane that separates them is acting like a physical barrier with highly specialized characteristics...

Tuesday, January 14, 2020

The sample shall be dissolved as much as possible in solvents that are mutually soluble with the mobile phase. Except for special designation, the resolution of the sample HPLC column may be reduced if it is dissolved using a strong solvent. Besides, the sample solution shall be pre-filtered...

Tuesday, January 14, 2020

Filter paper can be qualitative and quantitative. In the application of analytical chemistry, after the inorganic compound is separated by filtration to separate out the precipitate, the residue collected on the filter paper can be used to calculate the loss rate during the experiment...

Saturday, January 11, 2020

Quantity : 1 - Price : 10000-500000USD

RayClouds L-Series Imaging Luminancemeter is ideal for high precision, high speed luminance measurement. L-Series of Imaging Luminancemeter is equipped with 2 million, 16 million and 20million pixel resolution CMOS detector, provides excellent luminance test solutions. Widely used...

Saturday, January 11, 2020

Quantity : 1 - Price : 10000-500000USD

LM-7M Luminance Meter, filter near CIE Y curve, which is the best device for measuring the Luminance of the displays. High sensitive silicon photodiode sensor for short distance and high precision luminance measurement. Luminance measurement as low as 0.001cd/m2, standard measurement software...

Saturday, January 11, 2020

Quantity : 1 - Price : 10000-500000USD

Imaging Luminancemeter meets the various measurement needs of FPD, backlit keyboards, and LED lighting. RayClouds provides C-Series Imaging Colorimeter and L-Series Imaging Luminancemeter. C-Series Imaging Colorimeter provide excellent luminance and color measurement and L-Series...

Friday, January 10, 2020

When selecting the filter paper, people should combine the Rf value of the separated object. For the compounds with slight differences in Rf values, slow filter paper can be used to separate the compounds clearly because using the fast filter paper will cause the inseparable weight...

Friday, January 10, 2020

Vacuum filtration is a physical term, also known as decompression filtration and vacuum filtration, which has double meanings. In physical terms, vacuum filtration refers to the method of reducing the pressure in the vacuum filtration bottle by using the vacuum pump to achieve the...

Thursday, January 09, 2020

Hawach Scientific specialized in filtration products for more than decades years. All our filter papers are made from the imported membrane in the cleanroom. Before release to market, the products are consigned to the QC department for random inspection. In analytical chemistry, the...

Wednesday, January 08, 2020

When the filter element has been used for a long time and the filtration speed still recovers less than ideal after recoil with the above method, the filter element can be removed and immersed in NaOH solution with a concentration of 2-4% for 4-8 hours. Then, clean water filtered...

Tuesday, January 07, 2020

It is widely used in steel, non-ferrous smelting, chemical, carbon black, building materials, electricity, and other industries. Polypropylene Needle Felt The PPF filter bag is designed for high volume and is suitable for tubular or open filtration systems. The ultra-long-life filter...

Tuesday, January 07, 2020

1.Nylon Features: Good high-temperature resistance, which can withstand 121°saturated steam autoclaving for 30 minutes, the maximum working temperature of 60 degrees Celsius; Good chemical stability, which can withstand a variety of organic and inorganic compounds such as dilute acids...

Tuesday, January 07, 2020

Hawach HPLC column is composed of a column tube, pressure cap, clamping sleeve (sealing ring), the screen plate (filter), joint, screw and so on. The column tube is made of stainless steel. When the pressure is not more than 70 kg/cm2, thick-wall glass or quartz tube can also be used...

Friday, January 03, 2020

The vacuum filters are mainly applied for filtration of mobile phase of High-Performance Liquid Chromatography, particulate and microbiological contamination. They are the basic instruments in the chemistry lab. Particularly, the glass solvent filter can make filtration of all kinds...

Friday, January 03, 2020

The nylon filter membrane is applied to many industries. It may be used for the water filtration in the electronic, microelectronic and semiconductor industry, filtration of tissue culture medium, filtration of drug solution, beverage, and high purification chemical products, and...