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Molecular sieve 3 , 100 ml, glass

Molecular sieve 3 , 100 ml, glass

SKU N893.1
€ 17,17
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I hereby confirm that:-That the substances, preparations and products are only used in an authorized manner (in accordance with European and national legislation), use these products only for research, scientific and educational purposes. The substance(s) ordered: -Not used to produce substances or to serve as a component or intermediate of narcotic drugs and/or psychotropic substances. -Not used in medicinal products for human or veterinary use, agriculture, food or cosmetics, except as a raw material, auxiliary or operating material and/or as a research and analytical reagent. - Not used to develop or produce chemical weapons - Not used for military or illegal purposes. - do not re-export the item(s) to third parties countries without prior approval of the export control authorities. -Will not be re-exported/exported or otherwise resold or transferred domestically or internationally to any destination subject to an EU, UN or US embargo, if that act would be contrary to the conditions of that embargo. - Only supplies the mentioned products to customers who can also provide such an End Use Certificate. We will carefully store all certificates received and provide them upon request. - I am over 18 years old.
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Molecular sieve 3 , 100 ml, glass
Product Details
P-phrases: P273 P280 P302+P352 P305+P351+P338 P310
H-phrases: H302+H332-H311-H315-H317-H318-H373-H411
Hazard class: 6.1 III
HS code: 28421000
Brand: Carl Roth
Molecular sieve 3 Å, activated, under argon, for DNA synthesis, CAS No. [1318-02-1], EG-Nr. 215-283-8


Molecular sieve 3 Å activated, under argon, for DNA synthesis

Technische informatie
Aanbevolen bestelhoeveelheid 5
Gebruikstip Suitable for Expedite™89xx and Polygen®
Molecular Sieves

For drying, cleaning or separating liquids and gases.

Eigenschappen:

  • Spherical metal aluminosilicates
  • Spheres Ø 1,6-2,5 mm and 2,5-5,0 mm
  • Active surface: 600-700 m2/g
  • Activated at 500-600 °C; we nevertheless recommend activating the molecular sieve again before using it for the first time
Toepassingsgebieden:
  • In desiccators, drying tubes, columns
  • For drying streaming gases
  • For absoluting organic solvents
  • For separating organic solvents

Regenerating:

• In drying cabinets at 200-300 °C
• Through pressure change or rinsing


Critical molecular diameter for frequently occurring molecules, in Å (1 angstrom = 10-10 m = 0.1 nm)

Molecule Size [Å]

Molecule Size [Å]
Acetylene 3.3

Helium 2.0
Ammonia 2.9

Hydrogen 2.4
Argon 3.8

Hydrogen sulphide 3.6
Benzole/toluene 5.8

Methane 3.8
n-Butanes and higher n-hydrocarbons 4.3

Methanol 3.6
i-Butane and higher i-hydrocarbons 5.1

Methyl mercaptan 3.8
i-Butene 4.0

Nitrogen 3.6
trans-2-Butene 5.1

Oxygen 3.5
1,3-Butadiene 5.8

Propane 4.3
Cyclohexane 6.0

Propylene 4.0
Carbon dioxide 3.3

Tetrahydrofurane 5.0
Carbon monoxide 3.7

Thiophene 5.3
Carbon tetrachloride 5.9

Triethylamine 7.8
Dimethylpropane 6.2

Trichlormethane/Chloroform 6.9
Ethane 4.2

Water 2.6
Ethanol 4.2

o-Xylene 6.6
Ethylene 3.9

m-Xylene 6.3
Ethyl mercaptan 3.8

p-Xylene 5.9

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