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456071 Sigma-Aldrich

Drierite

with indicator, 6 mesh

Synonym: Calcium sulfate, Gypsum

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Properties

Related Categories Adsorbents, Filter Aids and Drying Agents, Essential Chemicals, Other Drying Agents, Research Essentials
Quality Level   100
form   chunks
application(s)   gas chromatography (GC): suitable
particle size   6 mesh
SMILES string   [Ca++].[O-]S([O-])(=O)=O
InChI   1S/Ca.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChI key   OSGAYBCDTDRGGQ-UHFFFAOYSA-L

Description

General description

Drierite (CaSO4) is widely employed as a chemical desiccant in laboratories. Its use is preferred over silica gel for the estimation of CO2. It acts as a drying agent by absorbing moisture in air to form CaSO4 hemihydrate.

Application

Drierite (CaSO4) was used in Drierite/Ascarite column for the purification of air during the estimation of CO2 production by flow-through respirometry system.
it may be employed as drying agent in the following studies:
• For the removal of water via adsorption during the gas-chromatographic estimation of methanol, ethanol and isopropanol in biological samples.
• As scrubber for the drying of air.
• For the drying of nitrile samples during the calorimetric estimation of their enthalpies of vaporization.
• For the removal of water vapor during the coulometric estimation of carbon dioxide for air pollution monitoring.

Legal Information

Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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