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Křemelina Reag. Ph. Eur., GR_grade analysis_for, purified_calcined , pH 10 (100 g/l, H₂O, 20 °C), Supelco®

Dodavatel: Merck
Nebezpečí

Synonyms: Diatomaceous silica, Diatomaceous earth, Siliceous earth, Infusorial earth, Diatomite, Celite

MQ100

1.07910.0250 1.07910.1000
1.07910.0250EA 1650 CZK
1.07910.0250 1.07910.1000
Křemelina Reag. Ph. Eur., GR_grade analysis_for, purified_calcined , pH 10 (100 g/l, H₂O, 20 °C), Supelco®
Křemelina
Vzorec: O₂Si
MW: 60.08
Bod varu: 2230
Bod tání: >450 °C
Hustota: 2.36 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00132803
CAS číslo: 68855-54-9
EINECS: 272-489-0

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Výsledky specifikačního testu

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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