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How to Use the Pipette?

Friday, June 21, 2019

1. Capacity setting For the adjustable pipette, it is usually operated in the range of 10% to 100%. The optimal pipetting capacity is in the range of 35% to 100%. At this time, it is less affected by the operation technique and can better protect the pipetting. Accuracy and precision...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Solution To Clarify Your Solvent And Sample – Syringe Filter

Friday, June 21, 2019

We can always hear such a conversation between those researchers. “Hey, buddy, what is your purity degree of the end products today?” “Damn it. Such a low degree that I cannot even use for the next step. Any better methods for clarifying raw materials?” Then there comes Hawach syringe filter...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Learn About Hawach Sample Vials

Friday, June 21, 2019

With different range of material manufacturing and capacity options, sample vials are usually used for collecting, storing, and transporting samples in the lab. You can find non-sterile or sterile vials in the color of amber or clear transparencies for a better view. Hawach glass...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Brief Introduction to Flash Column

Friday, June 21, 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
  • +86 29 89284429
  • +15 1 02 91 81 33
Introduction of Sampling System for Cationic Chromatographic Columns

Friday, June 21, 2019

The cation chromatography column is a kind of high-performance liquid chromatography, which is a liquid chromatography method for analyzing anions and cations. The method has the advantages of good selectivity, sensitivity, rapidity, and simplicity, and can simultaneously measure...

Hawach Scientific Co.,Ltd.

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

Thursday, June 20, 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.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
QuEChERS Method to Overcome Matrix Interference

Thursday, June 20, 2019

Extraction is often susceptible to matrix interference. One analytical method is fine in this matrix but can become problematic in another matrix. If we encounter such a situation, how can we improve the QuEChERS method to overcome it? For pesticide residues, most of the food samples...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Knowledge of Cellulose Extraction Thimbles

Thursday, June 20, 2019

Suitable for Soxhlet-type and other similar devices, the extraction thimbles are used to adapt a sample of solid material to extract certain components out, with the addition of sufficient and appropriate solvent. Cellulose extraction thimbles which are made of high-quality alpha...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Thailand 10510 Raw materials
Non Phosphate

Wednesday, June 19, 2019

THAIFOOD-N (Non Phosphate) is a mixture of food grade sodium/calcium salts and food materials in a ratio to provide excellent performance in reducing drip loss, improve moisture retention, prevent freeze burn, suitable for flavor and texture improvement of seafood products. Packing...

Thailand 10510 Raw materials
Ribonucleotide I+G

Wednesday, June 19, 2019

TS-TIDE is the natural flavor enhancer for food categories such as snacks, soy sauce, fish sauce, canned sea food,fishball and meatballs and etc. The synergistic effect can be recognized by cost savings because it is 15-20 times as stronger as MSG. Also it is Ribonucleotide I+G replacer...

China 201311 Equipment goods
Comparisons between Waukesha CFR-F1/F2 Octane Engines and SINPAR FTC-M1/M2 Octane Engines

Wednesday, June 19, 2019

SINPAR Octane Engines FTC-M1/M2 provide the system for determining the octane number of gasoline and fuel blending components, the same as Waukesha CFR engine, using a standardized single cylinder, four-stroke cycle, variable compression ratio, carburetor. SINPAR FTC Octane engine...

Shanghai Sinpar Scientific Instrument Co.,Ltd

  • 201311 - shanghai
  • 021 60538164
Different Materials of Sample Vial

Wednesday, June 19, 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.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Easy to Understand the QuEChERS

Wednesday, June 19, 2019

Take the example of pear test to check whether a pear is up to the standard. Prepare the environment The first step: Suitable Acetonitrile salting-out extraction environment was prepared. Make the pears into a puree, take 10g to QuEChERS centrifuge tube of 50ml. Add extract solution...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Brief Introduction to SPE Cartridges

Wednesday, June 19, 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 610000 Equipment goods
Copeland ZR22K3E-TFD-522 Scroll Compressor

Tuesday, June 18, 2019

Quantity : 1 - Price : negotiable

ZR Series The compressors we can provide for Copeland ZR Series Copeland ZR22K3E-TFD-522 Scroll Compressor Copeland ZR28K3E-TFD-522 Scroll Compressor Copeland ZR40K3E-TFD-522 Scroll Compressor Copeland ZR28K3-PFJ-522 Scroll Compressor Copeland ZR47KC-TFD-522 Scroll Compressor Copeland...

A&S Aerodynamic Co., Ltd

  • 610000 - chengdu
  • +86 28 65376575
  • 862865376575
China 610000 Equipment goods
photo not available

Tuesday, June 18, 2019

Quantity : 1 - Price : negotiable

SIERRA Series Ingersoll Rand Air Compressor,Ingersoll Rand Rotary Screw Air Compressor The other models we can provide for Ingersoll Rand Type 30 Series Ingersoll Rand SL37 air compressor Ingersoll Rand SM37 air compressor Ingersoll Rand SL45 air compressor Ingersoll Rand SM45 air...

A&S Aerodynamic Co., Ltd

  • 610000 - chengdu
  • +86 28 65376575
  • 862865376575
China 610000 Equipment goods
Ingersoll RandIRN22K Rotary Screw Air Compressor/Variable Speed Air Compressor

Tuesday, June 18, 2019

Quantity : 1 - Price : negotiable

A&S Location : 10west 2nd street,wuhou district ,chengdu sichuan china, 610000 chengdu , Contact : Laura Tse, +86 28 65376575

A&S Aerodynamic Co., Ltd

  • 610000 - chengdu
  • +86 28 65376575
  • 862865376575
China 610000 Equipment goods
Ingersoll RandIRN22K Rotary Screw Air Compressor/Variable Speed Air Compressor

Tuesday, June 18, 2019

Quantity : 1 - Price : negotiable

A&S Location : 10west 2nd street,wuhou district ,chengdu sichuan china, 610000 chengdu , Contact : Laura Tse, +86 28 65376575

A&S Aerodynamic Co., Ltd

  • 610000 - chengdu
  • +86 28 65376575
  • 862865376575
China 610000 Equipment goods
photo not available

Tuesday, June 18, 2019

Quantity : 1 - Price : negotiable

ZB Series Copeland Compressor,Copeland Scroll Compressor The compressors we can provide for Copeland ZB Series Copeland ZB19KQ-TFD-558 Scroll Compressor Copeland ZB19KQE-TFD-558 Scroll Compressor Copeland ZB21KQ-PFJ-558 Scroll Compressor Copeland ZB21KQE-PFJ-558 Scroll Compressor...

A&S Aerodynamic Co., Ltd

  • 610000 - chengdu
  • +86 28 65376575
  • 862865376575
Hawach High-Performance Extraction Thimbles

Tuesday, June 18, 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
  • +86 29 89284429
  • +15 1 02 91 81 33
A Brief Introduction to Hawach Qualitative Filter Papers

Tuesday, June 18, 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
  • +86 29 89284429
  • +15 1 02 91 81 33
ETo obtain accurate separation of your sample, mobile phase, and other liquid, the perf...

Saturday, June 15, 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
Learn about SPE Cartridges

Saturday, June 15, 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Introduction of Our Sample Vials

Friday, June 14, 2019

The boric oxide can make the glass resistant to extreme temperatures, improves its resistance to chemical corrosion, and assures the integrity of the content. As the very popular material in the manufacture of scientific instruments, borosilicate glass is a type of glass including...

Hawach Scientific Co.,Ltd.

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

Friday, June 14, 2019

As a simple and fast absorption chromatography technique for the routine purification of organic compounds, flash chromatography is developed for the daily purification of reaction products in the lab, which is low costs and achieves separations of samples (0.01-10.0 g weight) in short time...

Hawach Scientific Co.,Ltd.

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

Friday, June 14, 2019

Capsule filter, which is also called disposable filter, is composed of the outer shell and the filter. The outer shell is usually made of high temperature polypropylene material. This kind of polypropylene material on the surface of the capsule filter does not contain adhesives and...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Multi-Branch Vacuum Filtration Manifold

Thursday, June 13, 2019

Introduction of Hawach scientific filtration manifold Multifilter is designed and manufactured for the simultaneous filtration of multiple samples. At present, when the laboratory carries on the filtration to the solution, generally USES the glass material sand core filtration device...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Different Materials of Sample Vial

Thursday, June 13, 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.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Pipette Aspiration Rate and Storage

Wednesday, June 12, 2019

Hawach introduces pipettes from the pipetting speed of the pipette and precautions during storage. First, the rate of liquid absorption. It is often seen in the laboratory that in order to “improve efficiency”, the user quickly releases the thumb during aspiration, which causes the...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The Category of Sample Vial

Tuesday, June 11, 2019

Overview To determine the physical and chemical parameters of natural water, laboratory workers always use polyethylene and borosilicate glass sample vials for common sampling. Furthermore, it is better to use chemically inert material. The frequently-used sample vialshave multiple...

Hawach Scientific Co.,Ltd.

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