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Friday, August 09, 2019

- Some Tips In QuEChERS D-SPE? - Why choose anhydrous magnesium sulfate as a water remover? In the d-SPE purification process, the moisture content plays a crucial role in the purification effect of PSA. The lower the moisture content, the better the purification effect of PSA. Experiments...

Friday, August 09, 2019

Filter Paper is a tool commonly found in chemical laboratories for separation of two-phase, and usually round in shape. To filter two phases so as to separate and purify matter, most of the filter paper is made of cotton fiber and is made in different ways for different purposes....

Wednesday, August 07, 2019

Quantity : 1 - Price : 10 000,00 €

- By means of rich industry experience and profound knowledge, Hongxing Machinery is committed to providing comprehensive semi-portable crushing (also known as tire mobile crusher) machine. The production description of semi-portable crusher has many titles, such as the wheeled crusher plant...

Wednesday, August 07, 2019

The principle of vacuum filtration is forming the negative pressure to drive the filtration at the outlet of the filtrate. This kind of filtration according to the forms of operation is divided into two types: batch operation and continuous operation. The vacuum filtration with batch...

Tuesday, August 06, 2019

The hydrophilic polyvinylidene fluoride membrane filter is commonly used for the purification and filtration such as tissue culture media, additives, and other sterilization filtration solvents, chemical raw materials, aseptic processing of reagents, and for filtration of high-temperature liquid...

Monday, August 05, 2019

How important it is to conduct your own experiments with a handy pipette! However, even the most perfect instrument needs proper operation and maintenance. When using a pip ette, we should pay attention to the following points: 1. Do not turn the button out of the range; otherwise...

Saturday, August 03, 2019

SPE cartridge can be divided into three classes on the markets: silica-based cartridges, polymer-based cartridges, and adsorption-based cartridges. And here we talk about the three types of silica-based cartridges. The first type is the C18 cartridges. This kind of cartridges bond...

Friday, August 02, 2019

Henan Mingtai Aluminum Co., Ltd. is a large-scale aluminum foil manufacturer in China, a listed company, and is the leading large-scale private aluminum foil production and export in Henan.The 8006 aluminum foil produced by the company has the advantages of high cup convex value,...

Tuesday, July 30, 2019

Pipettes are an indispensable routine in the laboratory. They are used by every researcher, especially in the biological, pharmaceutical, chemical and other industries. The durability and accuracy of the corresponding pipettes are of the utmost concern. Some customers often mention...

Tuesday, July 30, 2019

The extraction thimble, as its name implies, is a cylindrical element used for filtering. It is generally divided into extraction thimble for filtering gas and liquid media. Usually, we refer to the extraction thimble is mostly used to filter gas, called the air extraction thimble...

Friday, July 19, 2019

Mingtai3003 aluminum foil is a commonly used product of AL-Mn series alloy. It has good anti-rust properties, and its strength is about 10% higher than 1100. It has good formability, weldability and corrosion resistance. It is used to process parts that require good formability and...

Monday, July 15, 2019

Syringe filters are widely used in laboratories. The users do not need to change membranes and clean filters, which can save complex and time-consuming preparations. It is very convenient and easy to operate. They are mainly used in sample pre-filtration, clarification, degerming of particles...

Monday, July 15, 2019

String wound filter cartridges adopt the most advanced design of inner and outer density, which can increase the impurity and prolong the service life by 20 ~ 40% compared with the traditional life. The surface of string wound filter cartridges is treated with anti-wool treatment...

Monday, July 15, 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...

Friday, July 12, 2019

Cellulose Exaction Thimble For the cellulose exaction thimble (CET), parameters are mainly focused on the constitution, heating temperature. CET is usually made out of high-grade cellulose or seamless noble cellulose and lines of cotton, excluding any binding elements, which means...

Thursday, July 11, 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...

Thursday, July 11, 2019

Columns Ahead Statement Generally speaking, SPE/FLASH is mainly applied to the pretreatment of samples. People can easily perceive that SPE/FLASH columns separate salt and sugar, while HPLC ones can make glucose, maltose and sucrose apart from the sugar solution, which posses more...

Tuesday, July 09, 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...

Tuesday, July 09, 2019

Melt-blown filter cartridges are shaped filter cartridges, which made of non-toxic and odorless polypropylene particles after heating, melting, spinning, traction. Melt-blown filter cartridges are not only used in water purification, but also have excellent chemical compatibility...

Friday, July 05, 2019

1. Product No., for example BIO-1. 2. Pore size and flow rate, The bigger pore size, the quicker flow rate. Fast: 60-100S/100ML @ 80-120μm Medium: 100-160 S/100ML@30-50μm Slow：160-200 S/100ML @ 1-3 μm But filter paper is different from filter membrane, the pore size cannot be a certain value...

Thursday, July 04, 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...

Thursday, July 04, 2019

Brief introduction of the capsule filter The bag filter is also called abandoned filter. Its shell is made of high-temperature polypropylene material. The inner filter core is made of folded filter core welded together by hot fusion. It is suitable for filtering small doses of liquid...

Thursday, July 04, 2019

As an acronym for Quick, Easy, Cheap, Effective, Rugged and Safe, the method of QuEChERS achieves as a variety of sample preparation and clean-up techniques for the analysis of multiple pesticide residues in the field of agriculture. Originally designed for the analysis of fruits and vegetables...

Thursday, July 04, 2019

Manufactured from the same raw materials as the ashless grades, the qualitative filter paper is suited for ordinary filtration when we need to determine materials by using qualitative analytical techniques in the lab, with the features of fast flow rate due to their structure. Qualitative...

Thursday, July 04, 2019

Hawach Scientific have Qualitative filter paper and Quantitative filter paper, Wet-strengthened filter paper and Asphalt filter paper, right now we also have filter paper for Extraction. Just as mention before, we are a professional manufacturer for filter paper, we have the regular...

Wednesday, July 03, 2019

Flash column chromatography is an efficient way to separate complex mixtures of compounds in the lab. we use compressed air to push the solvent through the column when we are running flash columns. It can help provide better separation and cut down the running time as while. Flash...

Tuesday, July 02, 2019

The average sample addition recovery rate of QuEChERS method is higher than 85%, with fewer impurities interfering with the detection of the target substance, a small amount of solvent, simple and fast operation, which will be the preferred pretreatment method for routine detection...

Tuesday, July 02, 2019

Fitting most commercially available Soxhlet extractors, we offer a variety of selection of high-quality extraction. To achieve an efficient and reliable analysis in the lab, the extraction thimbles are used to extract certain components out of the sample of solid material. The thimbles...

Tuesday, July 02, 2019

1. Product No., for example BIO-1. 2. Pore size and flow rate, The bigger pore size, the quicker flow rate. Fast: 60-100S/100ML @ 80-120μm Medium: 100-160 S/100ML@30-50μm Slow：160-200 S/100ML @ 1-3 μm But filter paper is different from filter membrane, the pore size cannot be a certain value...

Tuesday, July 02, 2019

The key to regenerating contaminated HPLC columns is to know the nature of the contaminants and to find the right solvent to remove. If contamination is caused by the accumulation of strongly retained materials during repeated injections, simple steps to remove these contaminants...