EXPERIMENTS - 590 Annonces

Jeudi 16 janvier 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...

Mercredi 15 janvier 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...

Mardi 14 janvier 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...

Vendredi 10 janvier 2020

Quantité : 1 - Prix : 100,00 €

This a Digital Overhead with variable speed function, simple operation in a wider speed range, apply to a stable liquid stirring, especially for mixing a small volume of samples, petroleum, chemical, medical and it was specially designed for application in health, environmental, biochemical...

Vendredi 10 janvier 2020

Quantité : 1 - Prix : 100,00 €

Laboratory Homogenizers Emulsification Heads Handheld Superfine Homogenizers AD145S-P 6G 0.2-10ml 1. Description of XZBELEC's AD145S-P high shear lab mixer AD145S-P ultrafine homogenizer is suitable for liquid / liquid mixing, emulsification, homogenization, liquid / solid powder dispersion...

Jeudi 09 janvier 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...

Jeudi 09 janvier 2020

HAWACH focus to become the BEST they can revolve around its 4 CORE PRINCIPLES. They are TRUST, ANTICIPATE, KNOWLEDGE and CUSTOMER FIRST. Trust means an unwavering commitment to our customers and colleagues to provide the best value of products and services in the industry. Anticipate...

Jeudi 12 décembre 2019

Hawach sample vials are available with three types: screw top, crimp the top and snap top sample vials. Reducing the possibility of sample evaporation, crimp caps provide the tightest seal. Compared to crimp tops, snap top sample vials can be applied and removed by hand more easily...

Jeudi 12 décembre 2019

Because the cotton fiber in the filter paper has a good affinity with water, it can absorb about 22 percent of the water, in the form of a hydrogen bond with cellulose water has 6 to 7 percent. In general, it is very difficult to remove. Compared with the affinity with water, the...

Jeudi 12 décembre 2019

Hawach bottle-top dispenser is an instrument for measuring liquid medicine. To ensure that your bottleneck dispenser has a long service life, some maintenance, and cleaning work can be done in the following situations: the pipette piston is not flexible; the dispensing of some restrictive...

Mardi 10 décembre 2019

The protective HPLC columns influence the separation result. First of all, the protective column has a good positive effect on the experiments. Even if the stationary phase is chosen incorrectly, the protective column can also be effective for separation. The protective column is...

Lundi 09 décembre 2019

The working principle of the pipette is that the piston moves through the telescopic movement of the spring to achieve aspiration and discharge. Under the push of the piston, part of the air is exhausted, and the liquid is sucked in at atmospheric pressure, and then the air is pushed...

Mercredi 06 novembre 2019

Quantité : 1000000000 - Prix : USD100

- 1.Energy Storage,Pulsed,DC-Link Filter Capacitor - The capacitor can be charged in a long time and discharged in a very short time, thereby creating a huge pulse of power. The pulse power is obtained by charging the pulse capacitor bank.Then, the pulse capacitor bank is charged...

Mardi 29 octobre 2019

The JMZ-T series rubber sandwich mounts is the new designed model, which is designed especially for the military use. Comparing with the wire rope isolators, this model is small and tinny, which has no worrying about the space limits. The max static load of the JMZ-T Series anti vibration...

Jeudi 24 octobre 2019

In order to meet the scientific requirements of scientific research institutes and enterprises in the early research and development of feed liquid amplification, and we specially design and develop small & pilot machine, which can easily avoid many uncertain factors in the transformation...

Mercredi 16 octobre 2019

Exothermic Welding Exothermic welding, also called hot melt welding, fire-clay welding, thermite welding and explosion welding, is a kind of exothermic welding products that utilizes the redox reaction between metals, the operation of which is simple, easy to learn, safe and efficient...

Dimanche 13 octobre 2019

Solid phase extraction is a sample preparation method based on the chromatographic analysis. Solid phase extraction includes a solid phase (adsorbent with a certain functional group) and a liquid phase (sample and solvent). The liquid sample passes through a solid phase extraction...

Samedi 12 octobre 2019

1.Usage HAWACH syringe filter is used with syringes to filter chemical turbid solution samples, most commonly used in chemical HPLC-MS/GC-MS analysis of liquid and air dedusting, sterilization filtration, biological sample preparation, tissue culture media, microbial media, buffer solutions, etc...

Samedi 12 octobre 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...

Jeudi 10 octobre 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...

Jeudi 10 octobre 2019

Filter paper plays an important role in the laboratory experiments. Glass fiber filter paper is almost immune to the moisture, and the time of the filtration is not very long. The glass fiber filter paper will be used to filter the solutions that block the filtration pores of the...

Mercredi 09 octobre 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...

Mardi 08 octobre 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...

Mardi 08 octobre 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...

Dimanche 29 septembre 2019

Hawach glass solvent filter is made of high-quality borosilicate glass, which can be used to filter various aqueous solutions, organic substances, and corrosive liquids. The glass Solvent filter is available in one liter and two liters and consists of a triangular liquid collection bottle...

Vendredi 27 septembre 2019

In order to meet the scientific requirements of scientific research institutes and enterprises in the early research and development of feed liquid amplification, and we specially design and develop small & pilot machine, which can easily avoid many uncertain factors in the transformation...

Vendredi 27 septembre 2019

Quantité : 1000 - Prix : 100-10000usd

Are you looking for digital-shear-mixer-emulsifier? Here it is. This a Overhead stirrer with variable speed function, simple operation in a wider speed range, apply to a stable liquid stirring, especially for mixing a small volume of samples, petroleum, chemical, medical and it was...

Vendredi 27 septembre 2019

Quantité : 1000 - Prix : 100-10000usd

Glass Cuvette 1mm-350ul Optical Glass Cuvette High Transmittance Science Experiment High Temperature Resistant Acid And Alkal 1mm 350ul-G Description: Precision optical processing technology, the optical error of the transparent surface is less than or equal to 0.3%. The material...

Mercredi 25 septembre 2019

Quantité : 50000/mont - Prix : usd3-10

Exothermic Welding Products Exothermic welding, also called hot melt welding, fire-clay welding, thermite welding and explosion welding, is a high-heat principle that utilizes the redox reaction between metals, the operation of which is simple, easy to learn, safe and efficient, and...

Mercredi 25 septembre 2019

Pullulanase is produced from Bacillus licheniformis by deep fermentation. It can be widely used in, starch sugar, monosodium glutamate, , and other industries. Pullulanase enzyme is a thermally stable debranching enzyme (cotyl-1, 6-glucosidase) applied at pH. It can hydrolyze the pentyl-1...