LABORATORY - 1485 Anuncios

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Situation Of Pipette Corrosion Piston

Martes 30 julio 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...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Learn About Vacuum Filtration Pumps

Martes 30 julio 2019

Increasing the rate of filtration through the force on the solution over gravity, vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It is widely applied in the laboratory for various tests...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
The Use Of Silica Gel Flash Columns

Lunes 15 julio 2019

Laboratory data show that the optimum flow rate of silica gel flash columns is decided by the length and width of columns and the property of gel. To be more specific, longer and narrower columns will provide more theoretical plates which are able to affect the flow rate. When referring...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
The Use of Microporous Membrane

Lunes 15 julio 2019

Laboratory workers use a membrane to filter two phases. Actually, the membrane is a kind of media. According to different aperture sizes, filter membranes can be divided into the microporous membrane, ultrafiltration membrane, nanofiltration membrane a nd reverse osmosis membranes...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Hawach Scientific Advanced Mechanical Pipette

Viernes 12 julio 2019

Hawach Scientific mission is to work with our customers to make the world healthier, cleaner and safer. We help our customers accelerate research in the life sciences, solve complex problems and challenges in the analytical field, promote the development of medical diagnostics, accelerate...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Pretreatment for Pesticide Residue Detection – QuEChERS

Viernes 12 julio 2019

Today, Hawach want to talk about the pre-treatment process for pesticide residue detection from the perspective of food safety – QuEChERS, and also tell you how to pre-treat pesticide residue food. Introduction The present analytical methods and determining techniques, pre-treatment...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
The Choice, Use, and Maintenance of HPLC Column

Jueves 11 julio 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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  • +15 1 02 91 81 33
China 710077 Varios / Descuento
The Choice, Use, and Maintenance of HPLC Column

Jueves 11 julio 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Varios / Descuento
About Standard Diaphragm Vacuum Pumps

Miércoles 10 julio 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
What is the Bottle-Top Dispenser?

Miércoles 10 julio 2019

A bottle-top dispenser is a device installed at the mouth of a solvent bottle to take a large amount of solution and has been constantly updated and improved to meet the growing operational requirements of the laboratory for more than ten years. There are two kinds of bottle-top dispensers...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
How To Choose Syringe Filters In The Lab?

Martes 09 julio 2019

Consisting of a filter medium and housing or holder that constrains and supports the syringe filter media in the sample's path, filters are good tools when you need removing particulates from samples in the lab. We have three basic types of laboratory filters. Membrane filters size...

Hawach Scientific Co.,Ltd.

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How to Use Stainless Steel Vacuum Filtrations

Lunes 08 julio 2019

The laboratory vacuum filter unit is designed for laboratory users to filter solid-liquid separation of liquid samples. Stai nless Steel Vacuum Filtrations operation steps: 1. Place the glass filter bottle on the stainless steel vacuum filtrations and insert the silicone plug of...

Hawach Scientific Co.,Ltd.

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Oilless Diaphragm Vacuum Pump

Viernes 05 julio 2019

Hawach scientific is a professional vacuum pump manufacturers, product quality through a number of international standards, and exported to more than 120 countries all over the world. More detail information and quotation about the products contact with info@hawach.com. Diaphragm...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Pipette Common Problem Solving Method

Viernes 05 julio 2019

The equipment and equipment in the laboratory are as comprehensive as the natural world. They say that the sparrows are small and complete, but in the laboratory, the same small but indispensable instrument has a micropipette</ strong> for biochemistry. An essential tool for...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
The History Of Flash Column Chromatography

Jueves 04 julio 2019

Flash column chromatography method is to separate the constituents from the mixture and thus purify it. In a word, flash column chromatography makes the samples go through the column which is filled with gel to achieve separation. In the beginning, the founder of flash column chromatography, Mr...

Hawach Scientific Co.,Ltd.

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The Introduction and Classification of Capsule Filter

Jueves 04 julio 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...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Introduction to The Three-Branches Vacuum Filtrations System

Jueves 04 julio 2019

Hawach Three-Branches Vacuum Filtrations system is an important branch of the vacuum filtration unit. Unlike a typical suction unit, each set can only filter one set of samples. The biggest feature is that at the same time, rely on a set of equipment and a suction pump. Three sets...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
Nine Features of the Bottle-Top Dispenser

Martes 02 julio 2019

Hawach bottle-top dispenser combines the latest liquid accurate dispensing technology, high-tech materials, and ergonomically designed advanced dispensers, which are simple, safe, reliable and highly accurate laboratory liquid handling equipment. Bottle-top dispenser features 1. Fast...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
The Brief Introduction to Flash Column

Viernes 21 junio 2019

Flash chromatographic column, also called rapid chromatographic column(rapid column crossing, which means gradient elution, decompression or pressurization of the column), medium pressure chromatographic column(for example, rapid elution is achieved by pressurizing with nitrogen and...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
Introduction to Vacuum Filtration

Jueves 20 junio 2019

Basic Knowledge of Vacuum Filtration Based on the principle that under the same pressure (vacuum degree), the vaporization temperature of the water is lower than that of oil, scientists make practical equipment which is called vacuum filter. In fact, vacuum filtration is the most...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Hawach Scientific Syringe Filter Material

Miércoles 19 junio 2019

Hawach Scientific Co., Ltd is main laboratory supplies and industrial filter manufacturing enterprises, from raw materials and production process to ensure the maximum quality monitoring, each batch of a strict quality testing and product warranty. At present, users are distributed...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Different Materials of Sample Vial

Miércoles 19 junio 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Hawach Scientific Co.,Ltd.

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China 710077 Varios / Descuento
Common Mistakes in Pipette Operation

Martes 18 junio 2019

In laboratories where the pipe ttes are used frequently, it is often heard that the sound of tapping the tips is one after another, adding a bit of music to the boring laboratory life. When you look into it, the user is afraid that the tip can't be tightened. After the tip is attached...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
Three Ways to Clean Glass Solvent Filters

Martes 18 junio 2019

Hawach glass solvent filters is an important part of laboratory filtration, and many customers often encounter cleaning problems when using glass solvent filters. The conventional cleaning methods mainly include the following: 1. Soaking with an acidic solvent: The advantage of this...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
Hawach High-Performance Extraction Thimbles

Martes 18 junio 2019

A more efficient way to extract compounds from solid materials—Soxhlet extraction (also known as sand extraction). In the laboratory, Soxhlet extractor uses solvent reflux and siphon principle, so that the solid substance is continuously extracted by pure solvent, which saves solvent...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
Characteristics of Bottle-Top Dispenser

Martes 18 junio 2019

As an indispensable experimental instrument for laboratory liquid operation, the bottle-top dispenser has the following characteristics. (1) The setting operation is simple, and the protective gloves can be worn to operate directly in the process of operation. In addition, it has...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
A Brief Introduction to Hawach Qualitative Filter Papers

Martes 18 junio 2019

Qualitative filter papers usually apply to filter at atmospheric pressure, which uses the ability of the material to remove particles to separate the liquid and solid of the sample. It covers most of the laboratory applications, is used commonly for liquid clarification and, sometimes...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
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China 710077 Varios / Descuento
Characteristics of Vacuum Filtration

Martes 18 junio 2019

The primary feature of the vacuum filtration that it uses the classical oil-free pump with sand core filter bottle combination, which is suitable for most Laboratory filtration needs of universal filtering products. The characteristics of this product will be described in detail below...

Hawach Scientific Co.,Ltd.

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China 214115 Construcción
Test Chamber

Martes 18 junio 2019

The main components of Wuxi Top Asia with German import parts, excellent performance, fast temperature rise, good reliability, is ideal for the equipment of the environmental testing laboratory. At present, the company's products have been sold well in Britain, Germany and France...

China 710077 Varios / Descuento
ETo obtain accurate separation of your sample, mobile phase, and other liquid, the perf...

Sábado 15 junio 2019

ETo obtain accurate separation of your sample, mobile phase, and other liquid, the perfect tool that you need is laboratory filters. An analysis of physical specifications and performance specifications is required when selecting filters. Physical specifications for laboratory filters...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
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