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Friday, March 13, 2020

Generally, vacuum filtration can be used for collecting a desired solid too. Do not use vacuum filtration to filter a solid from a liquid if it is the liquid that you want for your applications. If the liquid is a low boiling, vacuum filtration is not a good choice either, because...

Wednesday, January 22, 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

Tuesday, October 08, 2019

With the increasing difficulty of detection and the increasing requirement of detection, a large number of analytical instruments have entered the laboratory, and bottle top dispenser is one of them. The characteristics of the bottle top dispenser are described in detail below. 1...

Monday, September 30, 2019

1. The pore size of the filter membrane must be accurately selected as needed before use. The material to be filtered must be larger than the pore size of the membrane. 2. It should be cleaned before use, that is, soaked in distilled water of about 70-80 degrees for 4 hours, or soaked...

Wednesday, August 14, 2019

Quantity : 1 - Price : 5,96 €

Pvdf acp aluminum composite panel for Building meterials -Light weight, high strength, extreme rigidity, superior impact resistance, -excellent surface flatness and smoothness , -heat insulation, sound insulation, fire-resistance, -acid-resistance, alkali-resistance, good weatherproofing...

Wednesday, August 14, 2019

Quantity : 1 - Price : 5,89 €

Pvdf acp aluminum composite panel for Building meterials -Light weight, high strength, extreme rigidity, superior impact resistance, -excellent surface flatness and smoothness , -heat insulation, sound insulation, fire-resistance, -acid-resistance, alkali-resistance, good weatherproofing...

Wednesday, August 14, 2019

Hawach MCE membrane filters belong to the terminal filtration membrane, fast flow rate and not easy to absorb. The surface is smooth, the texture is thin, the void ratio is high and the microporous structure is uniform. Application of MCE membrane filters Filtrating bacteria and particles...

Thursday, August 08, 2019

More than 90% of gas chromatographic problems occur in the inlet, and it is necessary to see which problems may occur in the inlet. Problem No.1: Leak If there is a leak, the pressure on the inlet may not be maintained, and the instrument will alarm. If the problem cannot be solved in time...

Tuesday, August 06, 2019

Quantity : 100000TM - Price : 50USD

CAS: 123-42-2 Uses of Diacetone (DAA) DAA is used as a raw material for high boiling point solvents, paint diluents, wood stains, rust removers, and dyes, etc. Diacetone boiling point is 166 °C (331 °F; 439 K). DAA is used as a dye raw material and resin solution. It can be used as...

Tuesday, August 06, 2019

HPLC is more suitable for the separation and analysis of substances with the high boiling point, poor thermal stability, physiological activity, and relatively large molecular weight. Hawach HPLC columns are widely used in the analysis of nucleic acid, peptide, lactones, polycyclic...

Thursday, July 11, 2019

The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...

Thursday, July 11, 2019

The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...

Thursday, July 11, 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Tuesday, July 09, 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Monday, July 08, 2019

HPLC is the separation of sample components between the column packing and the mobile phase for mass exchange. Therefore, the mobile phase is required to have the following characteristics: a. the flow relative to the sample has a certain solubility, to ensure that the sample components...

Friday, May 17, 2019

Quantity : 5 - Price : 200-300

Description: a Standard: ASTM B521 b Material: RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W) c specification : OD: 0.25-100mm Walll Thickness: 0.2-5.0mm (tolerance: ±5%) Length : 100mm-6000mm Surface state: Polishing, Black, Sintering; d Purity : better than 99.95%, 99.99% e Characteristic...

Friday, May 17, 2019

Quantity : 10 - Price : 240-260

Description: Product details: 1.Size: as customer's requirement ( OD, ID , Wall thickness , height are required) 2.Purity: Pure Ta 99.95% min. Physical and chemical properties 3. density: 16.6g/cm3 4 melting point: 2996 degree centigrade boiling point: : 5452 degree centigrade 5 Certificate...

Tuesday, May 14, 2019

Quantity : 10 - Price : 50-100

Description: . 1.Size: as customer's requirement ( OD, ID , Wall thickness , height are required) 2.Purity: Pure Ta 99.95% min. Physical and chemical properties: Rod,diameter 0.125(3.18mm)~2.5(63.5mm) Grade Tensile strength psi(MPa)> Yield strength psi(Mpa)> Elongation...

Thursday, July 19, 2018

Price : 1 million to 100 mil

Separation of CO from converter gas is an international problem, which is mainly due to the converter gas also contains a large number of N2 and CO2. Because of the close boiling point of N2 and CO, the traditional cryogenic rectification process can not be used to separate CO from converter gas...

Thursday, July 19, 2018

Price : 1 million to 100 mil

Separation of CO from blast furnace gas is an international problem, which is mainly due to the blast furnace gas also contains a large number of N2 and CO2. Because of the close boiling point of N2 and CO, the traditional cryogenic rectification process cannot be used to separate...

Wednesday, May 09, 2018

Huaxiao Capacity about 304/304L cold rolled stainless steel coil, 304/340L CRC Thickness: 0.2mm - 8.0mm Width: 600mm - 2000mm, the narrowed products pls check in strip products Max coil weight: 25MT Coil ID: 508mm,610mm Finish: 2B, 2D Advantage 304 Same grade from different country...

Thursday, April 26, 2018

Quantity : 99999KGS - Price : USD19.9-99.9/KG

-325F boron carbide B4C fine Chemical Composition(%) B % 75-81 C% 17-22 Fe2O3% 0.1-0.8 B4C% 90-99 Physical Properties Color Black Powder Molecular Formula B4C Density & phase 2.52g/cm3 Solid Solubility In Water Insoluble Melting Point 2450°C Boiling point...

Thursday, April 26, 2018

Quantity : 999999KGS - Price : USD19.9-99.9/KG

Boron Carbide B4C Chemical Composition(%) B % 75-81 C% 17-22 Fe2O3% 0.1-0.8 B4C% 90-99 Physical Properties Color Black Powder Molecular Formula B4C Density & phase 2.52g/cm3 Solid Solubility In Water Insoluble Melting Point 2450°C Boiling point 3500°C ...

Tuesday, February 06, 2018

Quantity : 10 sets pe - Price : factory price

Advantages of activated carbon adsorption device: - The adsorption efficiency is up to 90%, it has the large capacity and wide application. - Activated carbon has the characteristics of low price, wide range of sources, and so on. - The operation is simple, safe and reliable. -...

Friday, October 27, 2017

Intelligent fiber heat shrinkable tester used to measure a variety of chemical fibers and natural fibers in the dry heat, high temperature steam, boiling water treatment after the heat shrinkage Meet the standard: GB / T6505-1986; FZ / T-T50004-1991 Instrument features: The instrument...

Saturday, October 14, 2017

Quantity : MOQ 10 TON - Price : USD 600-700 PER TON

- Quick Details - - CAS No.: 77-92-9 - Other Names: Citric Acid - MF: C6H12O6 - EINECS No.: 232-554-6 - FEMA No.: 3025 - Place of Origin: Shanxi, China (Mainland) - Type: Sweeteners - Brand Name: TJCYINT - Model Number: Food Grade - Appearance: Crystalline Powder - Product name...

Saturday, October 14, 2017

Quantity : MOQ 10 TON - Price : USD 1200-1250 PER TO

- Quick Details - - CAS No.: 532-32-1 - Other Names: benzoic acid - MF: C7H5NAO2 - EINECS No.: 208-534-8 - Place of Origin: Shanxi, China (Mainland) - Grade Standard: Industrial Grade - Purity: 99%min - Appearance: White Powder - Application: Industrial - Brand Name: TJCYINT...

Saturday, October 14, 2017

Quantity : MOQ 5 TONS - Price : USD 400-500 PER TON

- Quick Details - - Classification: Chloride - Type: Barium Chloride - CAS No.: 10326-27-9 - Other Names: barium Chloride - MF: BaCl2.H2O - EINECS No.: 233-788-1 - Place of Origin: Shanxi, China (Mainland) - Grade Standard: Industrial Grade - Purity: 98% - Appearance: White...

Saturday, October 14, 2017

- Quick Details - - CAS No.: 1341-49-7 - Other Names: ammonium acid fluoride - MF: NH4HF2 - EINECS No.: 231-722-6 - Place of Origin: Shanxi, China (Mainland) - Grade Standard: Industrial Grade - Purity: 98% - Appearance: White - Application: Industrial - Brand Name: TJCYINT...

Saturday, October 14, 2017

Quantity : MOQ 10 TON

- Quick Details - - CAS No.: 93-58-3 - Other Names: Benzoic acid methyl ester - MF: C8H8O2 - EINECS No.: 202-259-7 - FEMA No.: 2683 - Place of Origin: Shanxi, China (Mainland) - Type: Natural Flavour & Fragrances - Natural Variety: Plant Extract - Usage: Food Flavor,...