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Saturday, October 12, 2019

It is well known that each laboratory has a large number of samples to be tested by liquid or gas chromatography. Consequently, there are lots of sample vials that need to be cleaned during the test even though it's time-consuming. Since the cleanliness of the vials may affect the test results...

Saturday, October 12, 2019

Simply speaking, the top space analysis is to analyze the gas in the sample bottle. Laboratory bottles for top spatial analysis are called top-empty bottles. The top spatial gas analysis in the experiments usually need the sample vials. Therefore, choosing suitable sample vials is more important...

Saturday, October 12, 2019

The stationary phase, commonly known as the fillers, is the most central part of chromatography. People need to determine three aspects of stationary phase information in turn before determine how to select the kind of the stationary phase of the flash purification column. They are matrix type...

Saturday, October 12, 2019

The filter cartridge is a professional term with the function of filtering and purification. It is also a simple device for separating the original fluid and fluid. It mainly includes gas-liquid separation, solid-liquid separation, exhaust and dust filtration, and environmental protection...

Saturday, October 12, 2019

The core component of the membrane filter is the membrane. It is a kind of thin film which is prepared on the microporous bearing layer with smaller holes. There are various materials for making the membrane, including organic membrane and inorganic membrane. As the core component...

Saturday, October 12, 2019

1. Leakage at joint Generally, it can be solved by tightening, cleaning and replacement. 2. Pump leakage Check whether the one-way valve and joint are loose, if loose and tightened (not too tight), check whether the seal of mixer and pump is damaged; 3. Leakage of injection valve...

Friday, October 11, 2019

Quantity : 1 CAJA 138 - Price : 494,84 €

Caja de Calcetines kappa invisibles y tobilleros. 46 unidades selección de calcetines Kappa de hombre y mujer fabricados con materiales técnicos de 1ª calidad. Calcetines deportivos tobilleros y modelo invisible. Amplio surtido de tallas y modelos en varios colores y diseños. ...

Friday, October 11, 2019

Sundi raised garden planter kits: Using Sundi Adamas WPC and stainless frame, Sundi Tree Box is more beautiful and more durable with kinds of desings. You will always find the one you like, small tree box for flowers and big one for bush. Sundi Tree Box will decorate your yard more...

Friday, October 11, 2019

Fine Plastic Maracas fruit shakers Sold by set or piece( Lemon, Cucumber,banana, apple, Mango, orange, pear, etc ) - Iron Beads Inside, With a very clear and pronounced sound - non toxic Its shaped as a true fruits - age rating: 3 years+, - This product contains small parts, small...

Thursday, October 10, 2019

Laboratory vacuum filter is a common instrument in the laboratory, which can be used to separate particulate matter from liquid samples. The following points should be paid attention to in the daily use of vacuum filtration: 1. Suitable vacuum pump should be used to match the vacuum...

Thursday, October 10, 2019

QuEChERS firstly came out in 2003. The inventors of QuEChERS, Michelangelo Anastasiades and Steve Lehotay, were asked for the three biggest improvements in this method from development to now. They made the following statement. In the period of conceiving the method QuEChERS, we have...

Thursday, October 10, 2019

Extraction thimble is an instrument for extraction and separation of organic compounds according to the principle of Soxhlet extraction. Extraction thimble provided by our company is made of high quality and purity materials, which is characterized by high mechanical strength and...

Thursday, October 10, 2019

Currently, bottle-top dispenser provided by Hawach falls into two types: mechanical bottle-top dispenser and electronic bottle-top dispenser. Both of them are made of optical glass, Al2O3，ETFE， PFA， FEP， PTFE, platinum-iridium alloy and PP(HARD HAT), so the quality is superb and chemical...

Thursday, October 10, 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Thursday, October 10, 2019

Our renowned Klearfold® clear plastic boxes create strong visual impressions and are the ultimate way to showcase your products. They provide exceptional shelf presence and add stature to everything from a new product launch, to a special promotion, to the reinvigoration of a popular brand...

Wednesday, October 09, 2019

Currently, syringe filter is designed for sterilizing and clarifying, and suitable for both medical and laboratory applications. Syringe filter offered by Hawach Scientific is manufactured in a controlled environment with an automated process, which ensures the quality and use value...

Wednesday, October 09, 2019

Simply speaking, the top space analysis is to analyze the gas in the sample bottle. Laboratory bottles for top spatial analysis are called top-empty bottles. The top spatial gas analysis in the experiments usually need the sample vials. Therefore, choosing suitable sample vials is more important...

Wednesday, October 09, 2019

Flash column chromatography is an easy and fast method to separate the complex mixtures. It can not only make the separation effect better but also shorten the time. How to put the sample into the flash column is of high importance in the preparation process of flash column chromatography...

Wednesday, October 09, 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...

Wednesday, October 09, 2019

Generally speaking，with the increase of temperature, the viscosity of the mobile phase decreases. The situation will lead to an increase in the transfer rate of the substances. Thus the chromatographic separation effect will be better than before. Although the separation effect has been improved...

Wednesday, October 09, 2019

Solid phase extraction (SPE) is used to reduce sample matrix interference and improve detection sensitivity. The separation selectivity of the solid phase depends on the retention strength of the components that can be retained, so the selection of the solid phase will depend on the...

Tuesday, October 08, 2019

Quantity : 100 - Price : 0$

Nickel Alloy 625 is utilized both for its high quality and extraordinary fluid consumption opposition. The quality of Inconel 625 is essentially a strong arrangement impact from molybdenum and columbium. Nickel Alloy 625 has fantastic weldability. The coordinating filler metals are...

Tuesday, October 08, 2019

Price : 500,00 €

Notre métier est d'acheter en grosse quantité des marchandises issues de déstockages, d'invendus, de surplus de stocks, de cessation d'activité, de surstocks ou encore de fins de série, nous permettant ainsi de proposer des marchandises très variées à prix cassés. Grâce à nous, vous...

Tuesday, October 08, 2019

The pipette is a kind of common instruments in the labs. And how should the experimenters use the pipette correctly? We will introduce the steps in the follow-up articles. Step 1: Hold the pipette correctly Hold the handle of the pipette with the palm and four fingers, put the index...

Tuesday, October 08, 2019

There are two types of glass vacuum filtration that are particularly popular in the market – single-branch and multiple-branch vacuum filtration. Compared with the single-branch vacuum filtration, the multiple-branch vacuum filtration is more frequently used for laboratory sample...

Tuesday, October 08, 2019

It is not difficult to find the early application of QuEChERS in pesticide residue detection in China, mainly for single pesticide detection, and most of the extraction and purification targets are carbamate, organophosphorus and pyrethroid. With the development of technology, the...

Tuesday, October 08, 2019

Hawach glass fiber extraction thimble, made of borosilicate glass fibers, is a quite common tool used laboratory. Just like all the other kinds of extraction thimbles, it could also be used with most Soxhlet extraction devices in the market, and for other extraction, experiments required...

Tuesday, October 08, 2019

With the increasing difficulty of detection and the increasing requirement of detection, a large number of analytical instruments have entered the laboratory, and bottle top dispenser is one of them. The characteristics of the bottle top dispenser are described in detail below. 1...

Tuesday, October 08, 2019

Qualitative analysis filter paper generally has more residual ash content, which is only used for general qualitative analysis and filtration solution of precipitation or suspended matter, not for quality analysis. In terms of type and specification, qualitative analysis filter paper...

Tuesday, October 08, 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...