CHEMISTRY - 385 ads

The world's first air purifier using graphene technology can effectively filter COVID...

Friday, August 28, 2020

Quantity : 100 unités - Price : Grande taille: 3000

CHINESE ACADEMY OF MILITARY SCIENCES & CDC OF CHINA JOINT DEVELOPMENT. TCM LIFE SCIENCE WORKING COMMITTEE DESIGNATED PRODUCT. THE WORLD'S FIRST GRAPHENE COVID-19 AIR PURIFIER. GRAPHENE TOTAL EFFECT VIRUS STERILIZER. PATRON SAINT OF HEALTH. VIRUS NEMESIS. ANTI-EPIDEMIC SAVIOR. CORE TECHNOLOGY...

  • 200000 - Shanghai
  • +8619188506585
photo not available

Tuesday, May 05, 2020

Quantity : 1500 litre

Dear Madam and Sir ; Our company ECOLAND is a company specialized in the extraction of precious prickly pear oil installed in Tunisia. In fact, we have an oil extraction chain well installed in a factory with an area of ​​more than 300m² with all the necessary equipment (press machine...)

ecoland

  • ecoland
  • 2073 - Ariana
  • +21 6 97 09 88 75
China 710077 Equipment goods
About The Reason And Solution Of The HPLC FAQs

Monday, January 20, 2020

1. Why does the retention time sometimes drift and sometimes change rapidly when analyzed by HPLC? How to solve it? About drift ① The temperature control is not good. The solution is to use a constant temperature device to keep the HPLC column temperature constant. ② The mobile phase...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Equipment goods
To Know Better Filter Paper Classification And Its Specific Usages

Tuesday, January 14, 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Equipment goods
Laboratory Sheet Filter Paper

Thursday, January 09, 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Equipment goods
Glass Solvent Filter Features

Friday, January 03, 2020

The vacuum filters are mainly applied for filtration of mobile phase of High-Performance Liquid Chromatography, particulate and microbiological contamination. They are the basic instruments in the chemistry lab. Particularly, the glass solvent filter can make filtration of all kinds...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 710077 Equipment goods
An Essential Tool For Lab Experiment-Bottle-Top Dispenser

Thursday, December 12, 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...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 450000 Equipment goods
Poly (Polycrystalline Diamond Powder)

Saturday, November 16, 2019

Quantity : 8000kgs - Price : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond micro powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. The lapping and polishing efficiency of the detonation-synthesized polycrystalline...

  • 450000 - zhengzhou
  • 0371 68616868
China 450000 Equipment goods
Poly (Polycrystalline Diamond Powder)

Saturday, October 26, 2019

Quantity : 8000kgs - Price : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. The lapping and polishing efficiency of the detonation-synthesized polycrystalline diamond...

  • 450000 - zhengzhou
  • 0371 68616868
China 450000 Equipment goods
Poly (Polycrystalline Diamond Powder)

Saturday, October 12, 2019

Quantity : 8000kgs - Price : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond micro-powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. Monocrystalline vs polycrystalline diamond:The lapping and polishing efficiency of...

  • 450000 - zhengzhou
  • 0371 68616868
How to Keep the Accuracy of the Pipette

Wednesday, September 25, 2019

The pipette is a kind of accurate instrument for quantitative transferring and weighing liquid in biology and chemistry laboratories. The most relative element to keep the pipette accurate is tightness. There are several main factors affecting the tightness of the pipette. The first...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Polyphenols In Tobacco Samples By HPLC Column

Thursday, September 19, 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Hawach Scientific Co.,Ltd.

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

Wednesday, September 18, 2019

Quantity : 20GP - Price : 5USD

Calcined Bauxite manufacturers produce Calcined Bauxite by firing (heating) the superior grade Bauxite at high temperature (from 850℃ to 1600℃). This removes moisture thereby increasing the alumina content. Compared to an alumina content of about 57 % to 58 % in raw Bauxite, Calcined...

OREWORLD TRADE(TANGSHAN) CO., LTD.

  • 63000 - tangshan
  • 03155392228
Vacuum Filtration Overview

Thursday, September 12, 2019

Vacuum filtration is a chemistry technique that can allow for a greater rate of filtration in the lab. In normal filtration, the gravity can provide the force drawing the liquid through the filter paper, but a pressure gradient performs this function in vacuum filtration, offering...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
Characteristics Of High-Performance Liquid Chromatography

Thursday, September 12, 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

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
The History and Development of Reversed-Phase Chromatography

Friday, August 09, 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Hawach Scientific Co.,Ltd.

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

Wednesday, August 07, 2019

Pipe ttes are often used to remove a small amount of liquid in the laboratory. Micropipette first appeared in 1956, invented by Schnitger who is a scientist of the Institute of physiology and chemistry, Germany. Pipettes of different specifications are equipped with different sizes...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
To Know About Hawach Sample Vial

Tuesday, August 06, 2019

Sample Vials are an essential tool in the lab. These general purposes of glass vials are to provide exceptional resistance to heat shock and chemical leaching. Our sample vials are always used in the field of a biological agent, cosmetics, high-value chemistry. And we have high-quality...

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
The History Of Flash Column Chromatography

Thursday, July 04, 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.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
The aim of flash column chromatography is to separate components from the mixture and...

Monday, July 01, 2019

The aim of flash column chromatography is to separate components from the mixture and purify it. Briefly, flash column chromatography allows samples to be separated through columns filled with gels. Flash column chromatography has been widely used in organic chemistry since its inception...

Hawach Scientific Co.,Ltd.

  • 710077 - Xi'an
  • +86 29 89284429
  • +15 1 02 91 81 33
China 250119 Equipment goods
Concentric Tubular Electrolyzer (CTE)

Wednesday, May 29, 2019

The CTE chloropac system is typically used for small to medium production capacities, while PPE system is typically used for larger production capacities of sodium hypochlorite. The Advantages for Applying Concentric Tubular Electrodes (CTE) Electrolyzer as Following: 1. Self-Cleaning...

Milestone Chlorination Technologies LLC.

  • 250119 - Jinan
  • +86 18615533110
China 311215 Furnitures
2mm Copper Free Mirror For Bathroom

Thursday, May 09, 2019

Quantity : 1500Square - Price : US $4.25-6.6/ Square

AVAILABLE COLOR: clear, ultra clear, bronze, grey, etc. Customized BACK PAINT: green, blue, gray; Coating: Double Coating THICKNESS: 2mm, 3mm, 4mm, 5mm, 6mm, 8mm SIZE: 609mmx914mm, 914mmx914mm, 914mmx1220mm, 1220mmx1830mm, 1830mmx2440mm, 1524mmx2134mm, 2140mmx3300mm, 2440mmx3660mm etc...

Hangzhou Jinghu Glass Co., Ltd

  • 311215 - Hangzhou
  • +15 9 88 53 80 52
  • 057182625715
Switzerland 1163 Raw materials
Neptune Harpoon - Asparagopsis armata Glycerine extract

Wednesday, March 06, 2019

Quantity : 10'000 lit

We can expect an annual production of 10'000 l year. Used in the pharmaceuticals, cosmetics and chemistry industries Location : Route de la Plantay, 5, 1163 Etoy, Contact : Marco Zottich, +41 7 89 53 91 08

Algue Marine

  • 1163 - Etoy
  • +41 7 89 53 91 08
Switzerland 1163 Raw materials
Sea fennel essential oil

Wednesday, March 06, 2019

Quantity : 90 lt year

Sea fennel essential oil - Crithmum maritimum Uses: Food, Cosmetics, Chemistry, and Pharmaceuticals industries. Location : Route de la Plantay, 5, 1163 Etoy, Contact : Marco Zottich, +41 7 89 53 91 08

Algue Marine

  • 1163 - Etoy
  • +41 7 89 53 91 08
China 265601 Equipment goods
Penglai Huande Steel Valve

Sunday, January 06, 2019

Penglai Huande Steel Valve CO., LTD is a Ball Valve Manufactruer specialized in the design, development, and production of stainless steel ball valves. It has many production lines such as Lost-wax investment casting, CNC machine, and assembly inspection etc. And, it had passed the...

Penglai Huande Steel Valve CO.,LTD

China 272000 Equipment goods
QTZ-3D Portable Electric Soil Drilling Rig

Sunday, September 23, 2018

Quantity : 1 SET - Price : $ 4000

- The brief introductions of QTZ-3D portable electric soil drilling rig QTZ-3D portable electric soil drilling rig is an electric version of the QTZ-3 (gasoline engine) produced by Shandong Master Machinery Group Co., Ltd. The improvement of QTZ-3D electric soil drilling rig is...

Shandong Master Machinery Group CO,. ltd.

  • 272000 - Jining
  • 008618865479507
China 272000 Equipment goods
In Stock QTZ-2 Portable Soil Sampling Rig For Sale

Sunday, September 23, 2018

Quantity : 1 SET - Price : $ 4000

- The brief introduction of QTZ-2 portable drilling rig QTZ-2 portable soil drilling rig is a upgraded product of the QTZ-1 portable soil drilling rig.The rig adopts the more power, and the impact force is stronger and the drilling depth is deeper, which can drill up to 10~15 meters...

Shandong Master Machinery Group CO,. ltd.

  • 272000 - Jining
  • 008618865479507
China 272000 Equipment goods
QTZ-1 Portable And Compact Soil Sampling Rig

Sunday, September 23, 2018

Quantity : 1 SET - Price : $ 4000

The Brief Introductions of QTZ-1 soil sampling rig QTZ-1 portable soil drilling rig is a portable soil sampling drilling machine developed by Shandong Master Machinery Group Co.,Ltd., which is comparable to a huge hydraulic and pneumatic drilling rig. The drilling rig is a dynamic...

Shandong Master Machinery Group CO,. ltd.

  • 272000 - Jining
  • 008618865479507
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