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Silica Gel yellow/blue, 500 g

2.5-6 mm, with indicator, fractured
Produkty pokrewne
Pack Qty.
Pack.
Drying pearls yellow/blue
Density (D) 2,2 g/cm³
Melting point (mp) >1700 °C
CAS No. [7631-86-9]
EG-Nr. 231-545-4

Drying agent

Type analysis
19,90 € /op.

14,90 €/op.  Campaign price!

plus VAT | 500 g za op.

Nr kat. 3650.1

Dostępny z magazynu w Karlsruhe
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Szczegóły dotyczące produktu



Silica Gel yellow/blue 2.5-6 mm, with indicator, fractured

Properties:
  • Regeneration at 120 °C for approx. 4 hours
  • Particle size: 2.5-6 mm
  • Adsorptive capacity: at 90 % rel. humidity approx. 34 wt%
  • Colour change from yellow to blue


Informacje techniczne
Regeneration 120 °C, approx. 4 hours 
Silica Gel yellow/blue
Wybrana ilość:   0
  1. Suma pośrednia:  0.00
Nr kat. Pack Qty. Pack. Cena Ilość
3650.1 500 g plastic 14,90 €
3650.2 1 kg plastic 25,90 €
3650.3 2,5 kg plastic 52,40 €
3650.4 10 kg plastic 164,25 €
Dostępny z magazynu w Karlsruhe
Dostępny krótkoterminowo
Niedostępny
Data dostawy obecnie nieznana
Wybrana ilość:   0
  1. Suma pośrednia:  0.00

Pobranie


Informacje ogólne

Silica gels protect moisture sensitive goods or chemicals during storage and transport. They are suitable for drying virtually all gases and solids.

Silica gels have a broad spectrum of application in the laboratory and in technical and industrial sectors:

  • Possible applications in the laboratory are in desiccators, drying towers and in absorption tubes
  • In the industrial sector they are mainly used in drying plants and with various types of packaging
  • Are not suitable for drying liquids and alkaline substances


In order to achieve low residual water content over the silica gel, the capacity can only be utilised partially. The less silica gel is loaded with water the more intensively it dries. For example, to achieve a residual water content of 1 mg/l the loading must not be higher than 5,2 g water / 100 g silica gel.


Desiccants

Desiccants can absorb water and bind it chemically (reversibly or irreversibly) or physically. The main desiccants can be subdivided into four categories:

• non-renewable chemical desiccants
• renewable chemical desiccants
• silica gels
• molecular sieves


Drying methods for solvents

Solvent Molecular

sieve
Potassium

carbonate
Calcium

chloride
Phosphous

pentoxide
Acetic acid - - - +
Acetic acid anhydride - - + -
Acetic acid ethyl ester 4 Å + - +
Acetic acid methyl ester 4 Å + - +
Acetone 3 Å + + -
Acetonitrile 3 Å + + +
Benzene 4 Å - + -
1-Butanol - + - -
2-Butanol - + - -
1-Butanone - + + -
Chloroform 4 Å - + +
Cyclohexane 4 Å - - -
Dichloremethane 4 Å - - -
Diethylether 4 Å - + -
Diisopropyl ether 4 Å - + -
Dimethyl formamide 4 Å - - -
Dioxan 4 Å - + -
Ethanol 3 Å - - -
Ethyle formate - - + -
n-Hexane 4 Å - - -
Methanol 3 Å - + -
2-Propanol 3 Å - - -
Pyridine 4 Å - - -
Tetrahydrofurane 4 Å - + -
Toluene 4 Å - + -
Trichloroethylene - + - -
Xylene (Isomer compound) 4 Å - + -

Regeneration:

Is not possible for the desiccant bags, as the long fiber paper is not temperature-stable.


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Type analysis

Particle size2,5-6 mm  
Adsorptive capacity
20 % rel. humidityapprox. 11 Gew.-%  
40 % rel. humidityapprox. 18 Gew.-%  
90 % rel. humidityapprox. 34 Gew.-%  
Filled under protective gas. Change in colour from yellow to blue. Regeneration at max. 120 °C, approx. 4 hours.

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