Kieselguhr Reag. Ph. Eur., GR for analysis, purified and calcined , pH 10 (100 g/l, H₂O, 20 °C), Supelco®

Supplier: Merck
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Synonyms: Siliceous earthDiatomiteInfusorial earthDiatomaceous silicaCeliteDiatomaceous earth

M-Clarity™ quality level = MQ100

1.07910.9025EA 0 GBP
1.07910.9025 1.07910.1000 1.07910.0250
Kieselguhr Reag. Ph. Eur., GR for analysis, purified and calcined , pH 10 (100 g/l, H₂O, 20 °C), Supelco®
Kieselguhr
Formula: O₂Si
MW: 60.08 g/mol
Melting Pt: >450 °C
Density: 2.36 g/cm³ (20 °C)
Storage Temperature: Ambient
CAS Number: 68855-54-9
EINECS: 272-489-0

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Specification Test Results

Identity passes test
Substances soluble in hydrochloric acid ≤ 1.0 %
pH-value (10 %; water) 44809
Chloride (Cl) ≤ 0.01 %
Sulphate (SO₄) ≤ 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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