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Performance and Maintenance of HPLC Columns

Thursday, August 08, 2019

Chromatography is a separation and analysis method and the separation is the core. Therefore, HPLC columns are the heart of the chromatographic system. The requirements for the column are high efficiency, good selectivity and fast analysis speed. Generally, the column length of about...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Basic Knowledge About Vacuum Filtration

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Some Commonly Used Filter Housings

Tuesday, August 06, 2019

A filter housing should have some advantages, such as high filtering accuracy, high speed, small absorbing amount, no media falling, no dead angle, no leakage, acid and alkali resistance, corrosion resistance, easy to clean and recoil function. Different kinds of filter housing: ...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
PVDF Membrane Filter Media Introduction

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...

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
China 100043 Equipment goods
Three Phase WiFi Energy Meter

Saturday, August 03, 2019

Quantity : 10000PCS/m - Price : 25 USD above

Overview WEM3080T is a Din rail, 3 phase energy monitoring devices/Wi-Fi Electricity Monitor. It can be easily installed and fit neatly inside your electricity panel, and provides insight into your energy consumption and analysis through our dedicated Online Energy Consumption Monitoring...

Beijing Lewei IOT Technologies Co., Ltd

  • 100043 - beijing
  • 01052981332
China 100043 Equipment goods
Single Phase WiFi Energy Meter

Saturday, August 03, 2019

Quantity : 10000PCS/m - Price : 25 USD above

Overview iMeter-WiFi (Single Phase) is a Din rail, Bidirectional, Wi-Fi Energy Meter/Wi-Fi Electricity Monitor. It is highly-integrated, single-phased real time electric meter with Wi-Fi module embedded, which can measure and transmit the data of specific electricity equipments, such...

Beijing Lewei IOT Technologies Co., Ltd

  • 100043 - beijing
  • 01052981332
Air Filter Housings

Saturday, August 03, 2019

An air filter housing is a kind of air filtration device, as one of pneumatic three pieces, which are generally used to prevent dust for workshops, plants, operating rooms, laboratories or electronic mechanical communication equipment. - Filtration precision - The key to affect the...

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
The Classification and Parameter of Sample Vials

Friday, August 02, 2019

The vial is a relatively small glass tube or vial, usually with a vial cap. Bottle bottoms are generally flat, rather than having a spherical bottom like a test tube. When choosing a vial, customers should mainly choose from several aspects, such as material, color, volume, diameter...

Hawach Scientific Co.,Ltd.

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

Wednesday, July 31, 2019

Bag filter housings are multi-purpose filter equipment with the features of novel structure, small size, simple and flexible operation, energy saving, high efficiency, airtight work and strong adaptability. Otherwise, they are very convenient to replace the filter bags and there is...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Situation Of Pipette Corrosion Piston

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...

Hawach Scientific Co.,Ltd.

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

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...

Hawach Scientific Co.,Ltd.

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

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Product Highlights & Data Evidence Of HPLC

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Technique Parameters of Exaction Thimble From Hawach

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Precautions When Using Qualitative and Quantitative Filter Paper

Friday, July 12, 2019

Note on the filter paper box that when using the quantitative and qualitative analysis filter paper to filter the precipitate: 1. Generally uses natural filtration, using the filter paper body and the ability to retain solid particles to separate the liquid and solid; 2. Because the...

Hawach Scientific Co.,Ltd.

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

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Comparison Between SPE/FLASH and HPLC Column

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Method Of Cleaning Sample Vial

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Melt-Blown Filter Cartridges (MBPP)

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
PP Melt-Blown Filter Cartridge Feature

Monday, July 08, 2019

First, the continuous polypropylene long fibers produced by the melt-blown process are wound with polypropylene as raw material. Second, high filtration accuracy, large flow rate, uniform structure, large contamination capacity, and long service life. Third, good chemical compatibility...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Product Composition of QuEChERS

Friday, July 05, 2019

The product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

Hawach Scientific Co.,Ltd.

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

Friday, July 05, 2019

Generally speaking, bottle-top dispenser which is a scientific device could improve the wide application, safety performance, speed and reliability. In addition, it could save your time and work, even protect you and your samples. To be more specific, the advantages of the bottle-top...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Hawach 7 Steps Help You Choose the Right Filter Paper

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Introduction Of Deactivated Sample Vials

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Introduction and Classification of Capsule Filter

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...

Hawach Scientific Co.,Ltd.

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

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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Learn About Qualitative Filter Papers

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...

Hawach Scientific Co.,Ltd.

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

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...

Hawach Scientific Co.,Ltd.

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