Description
Catalogue Number 107910
Product Information
CAS number 68855-54-9
EC number 272-489-0
Grade Reag. Ph Eur
HS Code 3802 90 00
Applications
Application Kieselguhr purified and calcined GR for analysis Reag. Ph Eur. CAS 68855-54-9, pH 10 (100 g/l, H'””O, 20 C).
Specifications
Identity passes test
Substances soluble in hydrochloric acid ‘ 1.0 %
pH-value (10”%; water) 5 – 9
Chloride (Cl) ‘ 0.01 %
Sulphate (SO'”) ‘ 0.02 %
Fe (Iron) ‘ 0.05 %
Heavy metals (as Pb) ‘ 0.01 %
Loss on ignition (980”C) ‘ 0.2 %
Particle size (<”0.1”mm) about 98
Bulk density about 20
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