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Monday, April 13, 2020

Most of the pipette tips in the manufacturing process are added to a small number of additives, such as color materials and release agents. The color materials are the addition of corresponding chromogenic materials to polypropylene; the release agent is often used to help the pipette...

Monday, April 13, 2020

Characteristic of QuEChERS Extraction Salts The QuEChERS method is fast, simple and economical, and Hawach makes the QuEChERS program easier. Specialized glassware is not required when you use Hawach QuEChERS to pick up bags and tubes. The freely flowing extracted salt and salt packs...

Friday, April 10, 2020

HAWACH extraction thimbles are known for their purity and consistent high quality. We provide a variety of high performing extraction thimbles in various dimensions as well as wall thicknesses. HAWACH offers an extensive range of sizes. The all-in-one design provides excellent mechanical...

Friday, April 10, 2020

Still looking for a measuring unit that is simple to use, comfortable to operate and more importantly offering consistently reliable measuring results? Here is the answer HAWACH bottle-top dispenser. About HAWACH HAWACH was registered in the US, Germany, and China. The company's main...

Thursday, April 09, 2020

Sample vials are widely used in the lab. It is a special appliance qualified for cleaning according to the international standard: ISO3722 “Identification of Cleaning Methods for Hydraulic Transmission and Sampling Containers”. It's different from other liquid samplers, just a drink...

Thursday, April 09, 2020

Advantages of HAWACH Flash Column 1.Impurity dissolution rate: the materials are all medical-grade PP and PE, which have strong corrosion resistance and low impurity content. There is low probability of impurity dissolution. 2.Diversity of options: a large number of series/types,...

Wednesday, April 08, 2020

Importance of Proper Models of HPLC Column In practical application, proper models of the HPLC column have a great influence on the performance or operation of the HPLC column. Improper models could greatly reduce the filtration effect. The HPLC column of high purity silica gel matrix...

Wednesday, April 01, 2020

The properties of the reversed-phase filler are determined by the matrix and the substrate. the particle shape, size, pore size and pore size distribution of the matrix, specific surface area, residual silicon hydroxyl concentration, and the content of impurity ions will all have...

Monday, March 30, 2020

Filter cartridge is a useful tool that contains filter media to capture and retain particles infiltration system. We can find filters cartridge not only in various lengths and diameters, but being made of different construction materials as well. As the flow is from outside to inside...

Monday, March 23, 2020

HAWACH manual pipette is home to three series, standard, advanced and advanced plus. The first two are semi-autoclave and last one is full-autoclave, which is more suitable for biology. Also, they can be divided into single channel adjustable volume pipettes, single channel fixed volume pipettes...

Monday, March 23, 2020

Advantages of flash column FLASH chromatography is used for preparation and has the following advantages: 1. Fast speed, generally 1/8 of the separation time of open column chromatography, saving time, slow sample change and decomposition 2. Large preparation volume, at least as compared...

Friday, March 20, 2020

The HAWACH bottle-top dispenser is made of Optical glass, Al2O3, ETFE, PFA, FEP, PTFE, platinum-iridium alloy, and PP (hard hat) and it can dispense nearly any laboratory chemical. The notable exceptions are: Sodium azide: Found in many biology labs, and used as a preservative for buffers...

Wednesday, March 18, 2020

Flash column is usually used for the chromatography experiment to separate the complicated compounds by pressurizing air. The hot air enters the stirring, crushing and drying chamber from the bottom of the dryer at a suitable spraying speed from the inlet pipe, which produces strong...

Wednesday, March 18, 2020

Widely used to remove particles from a liquid sample and avoid damage to equipment at the same time, syringe filter is affordable tool in the labs, which the scientists can use for small-volume filtration. You can find two different types of filters, one is with which you can recover your sample...

Tuesday, March 17, 2020

Cleaning and storage of HPLC column Have a good understanding of the sample made, and wash it with the mobile phase that has the strongest eluting capacity for the sample. For silica gel HPLC column, first wash away the polar impurities with methanol, then use dry dichloromethane...

Monday, March 16, 2020

Our products are the things used in the QuEChERS method, including two major categories: extraction boxes and purification boxes; extraction boxes include salt bags and 50ml centrifuge tubes, but due to the high shipping costs of 50ml centrifuge tubes and common in customer laboratories...

Monday, March 16, 2020

1.Syringe filter HAWACH syringe filter features high cleanliness, easy operation, and high precision, with various specifications. Filter housing material uses sanitary polypropylene material. The precise design guarantees smooth filtering rationalized internal space, and very low residual rate...

Saturday, March 14, 2020

- Welcome to Hawach Scientific Co., Ltd! - Preparing to launch a new project or enter a new market? With Hawach's custom synthesis services, you are not alone. As one of the chemical manufacturing companies, we specialize in implementing your exclusive project. From chemical design...

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...

Friday, March 13, 2020

HAWACH bottle-top dispenser Take the bottle-top dispenser as an example. It features trouble-free and reliable liquid separation and wide range of fittings for most common bottle sizes. All models are equipped with anti-drip safety valves and fine adjustment mechanisms to ensure repeatability...

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...

Tuesday, March 10, 2020

Types of HAWACH HPLC Column There are 2 kinds of HAWACH HPLC columns: Xcheoma series: with many types of fixed phase; with complete varieties and high quality. C18-Aqueous; C18-universal;C18-low pH; C18-Alkaline; C8-universal; C8-Low pH; C8-Fluorine; C4; C30; C1;Phenyl; PAH; etc Echroma series...

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...

Monday, March 09, 2020

Hawach cellulose extraction thimble is of the advanced design team with excellent workmanship. Meanwhile, it features in a lightweight, high-temperature resistance, good heat insulation, acid and alkali resistance, non-toxic, with high tensile strength and toughness. Moreover, Hawach...

Wednesday, January 22, 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

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...

Sunday, January 19, 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Friday, January 17, 2020

HAWACH cellulose extraction thimbles Cellulose extraction thimbles is a Soxhlet extraction sample cell for quality control, scientific research and/or analysis; it can easily and safely perform solid and semi-solid solvent extraction; the thimble is suitable for Soxhlet extraction...

Thursday, January 16, 2020

Highlights of HAWACH flash column HAWACH flash column is packed with proprietary technology for automatic packing. The column bed is compact and uniform, has no “ditch flow effect”, with high resolution and good reproducibility. Different particle sizes of normal phase and reversed-phase...