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China 201615 Medical
Alpha-amylase

Wednesday, September 25, 2019

High temperature resistant α-amylases is a highly effective biological preparation refined by deep fermentation and purification of Bacillus Licheniformis. This alpha amylase powder has good heat resistance, widely used in starch sugar, ,, monosodium glutamate, organic acids and other...

The Weight Treatment Of Extraction Thimbles

Wednesday, September 25, 2019

The extraction thimbles should be treated before doing the experiments of gravimetric monitoring for particulate matter, asphalt fume, and other matters. The fiber extraction thimbles contain a small number of flammable substances and Easy-to-dissolve ashing substances. The extraction...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Four Factors When Selecting Filter Papers

Wednesday, September 25, 2019

There are four factors that should be considered by the experimenters when selected the proper filter papers. The first factor is the hardness. The filter paper will become wet when it is used in the filtration. And so the experimenters should consider those papers which are tougher...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Highlights And Test Data Demonstration Of SPE Column

Tuesday, September 24, 2019

There are many factors to select a product, but on the way back, the only two words lingering in my mind are “parameters” and “Quality assurance”. All that's left is the word “Quality assurance”, which is getting bigger and bigger and more distinct and lingering – or, to put it more simply...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 230000 Equipment goods
Mixed Plastic Granule Color Sorter

Monday, September 23, 2019

Why Need A Color Sorter During Granulation? In the production of plastic granules, the production of the granules of the former color is completed, usually without stopping the machine, and the next granule is produced immediately. This causes a situation in which granules of two...

LINPRO INTELLIGENT TECHNOLOGY CO.,LTD

  • 230000 - hefei
  • 86 13635609046
How To Remove The Bubbles In The Bottle-Top Dispenser

Monday, September 23, 2019

When the experimenters use the bottle-top dispenser doing experiments, they assemble the pipette, the distribution pipe, and the reagent bottle firstly. And then before separating the liquid, they should remove the bubbles in the bottle-top dispenser in order to ensure the accuracy...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 230000 Equipment goods
PVC PET Bottle Flakes Color Sorter

Sunday, September 22, 2019

The pvc pet flakes sorting machine system includes lighting system, image acquisition unit, processing unit, and execution unit, which is implemented based on machine vision technology. Besides, field experiment was performed. The result reveals that the system has a high accuracy...

LINPRO INTELLIGENT TECHNOLOGY CO.,LTD

  • 230000 - hefei
  • 86 13635609046
The Material of Syringe Filter

Friday, September 20, 2019

Syringe filter can be used in the analysis of high performance liquid chromatography and IC. It is an important step in sample pretreatment to filter sample solution. The syringe filter with high quality is produced by using the most advanced detection means and production technology...

Hawach Scientific Co.,Ltd.

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

Thursday, September 19, 2019

The extraction thimble is mainly applied in the lab experiment involved with Soxhlet Extraction to ensure complete extraction. There are three types of extraction thimbles available – cellulose extraction thimble, glass fiber extraction thimble, and quartz fiber extraction thimble...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Improvement Of QuEChERS Pre-Processing Method

Wednesday, September 18, 2019

Selection of scavengers The conventional QuEChERS method only uses PSA which is too simple single that can no longer meet the complex matrix samples examination experiments. GCB (graphitized carbon black) can effectively adsorb pigments, non-polar interferences such as sterol due...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Key Words of Filtration Terms

Thursday, September 12, 2019

Filtration is a process in a chemical experiment, separating solids from liquids or gases through a filter medium. Only the fluid or the gas is allowed to pass, not the solid. And the key words of filtration terms can help you understand how the filter works. Hydrophilic, called “water-loving”...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
A Brief Introduction of Hawach Quantitative Filter Paper

Thursday, September 12, 2019

Hawach Scientific is the production of filter paper professional manufacturers with advanced production technology and perfect testing equipment. Quantitative filter paper is suitable for a wide range of critical gravimetric analytical filtration procedures. In the manufacturing process...

Hawach Scientific Co.,Ltd.

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

Thursday, September 05, 2019

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 it has significant results...

Overview Of Disposable Syringe Filter

Tuesday, September 03, 2019

Hawch disposable syringe filter is a fast and reliable filtering tool commonly used in laboratories. With the beautiful appearance, light weight and high cleanliness, it is quite available in basically any kind of filtration experiments, including food analysis, bio-fuel analysis...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
An Application Example of Vacuum Flask

Thursday, August 22, 2019

It is greatly necessary to mention the Salmonella In Food for Import And Export-Membrane Filter Screening Method where the vacuum flask is introduced. For customers to learn about the device better, related information is as follows. - About the salmonella - Salmonella can be divided...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Affect The Extraction Thimble Weighing The Value

Thursday, August 15, 2019

In the detection of air pollution, taking samples with glass fiber extraction thimble is a common method. And here we will focus on one reason having an influence on weighing the extraction thimbles, which is the air humidity. As we all know, the environment when analyzing is limited...

Hawach Scientific Co.,Ltd.

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

Wednesday, August 14, 2019

After years of development, the QuEChERS pretreatme nt method has been continuously improved and broadened by researchers as a simple and rapid residual pretreatment technology. The application target also has been extended from the highest moisture content of vegetables and fruits...

Hawach Scientific Co.,Ltd.

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

Wednesday, August 14, 2019

Flash column chromatography is an alternative to long column chromatography developed in 1978. This method aims to separate the components from the mixture and thereby purify it. It is built from existing long column chromatography techniques and is time-consuming and often unsatisfactory...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Quality Of Extraction Thimble Analysis

Tuesday, August 13, 2019

In the labs, experimenters always take samples with fiberglass extraction thimbles. And weighing the extraction thimbles is quite important for the results of the experiments. Does the cooling time have obvious influences when weighing the extraction thimbles that are taken out of the ovens...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
How To Choose Filter Paper?

Tuesday, August 13, 2019

Filtration is a kind of physical changes which separate solid impurities from the liquid through porous filter media, only fluid can pass by the porous filter media. So the degree of retention determines the separation efficiency. Hawach provides various options to satisfy every laboratory...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
How to Select Different Kinds of Syringe Filter

Monday, August 12, 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 518103 Equipment goods
FR4+High Frequency PCB

Saturday, August 10, 2019

Quantity : Proofing b - Price : 200-1500CNY

In order to make electronic communication technology have a higher speed development. High-quality high-speed transmission, many of today's communication equipment have begun to use high-frequency multi-layer PCB. The material of multi-layer high-frequency circuit boards has excellent...

Shenzhen Huhe Circuits Co.,Ltd.

  • 518103 - Fuyong Street
  • +15 9 76 88 36 32
Some Tips In QuEChERS D-SPE?

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Overview Of Bottle-Top Dispenser

Friday, August 09, 2019

What is the bottle-top dispenser? During a scientific experiment, a bottle-top dispenser can indicate its excellent precision and high-repetition of separating operation without wasting solvents. While handling with some corrosive liquids or solvents, it provides safety assurance...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Filter Paper Packaging And Classification

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....

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Correct Operation And Maintenance Of The Pipettes

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Three Types Of SPE Cartridges

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
What Causes Pollution Of HPLC Column?

Friday, August 02, 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Bottle-Top Dispensers Features And Tips

Thursday, August 01, 2019

Hawach bottle-top dispensers help to simplify the routine liquid transfer operation and are widely used in all kinds of liquid reagents – buffer solution, medium, vitamin solution, acid, alkali, salt solution or a variety of polar solution. Bottle-top dispensers can meet the needs...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Three Cleaning Methods of Sample Vials

Wednesday, July 31, 2019

Sample vials play an important role in the experiments. We'd better not reuse them. If it has to be reused, the cleaning method is very important. It is noteworthy that vial pads must be replaced with new ones. Otherwise, the quantitative results will be affected. And here we will...

Hawach Scientific Co.,Ltd.

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