POTASSIUM CHROMATE FOR ANALYSIS EMSURE

Code: 1049520250 D2-231

Analysis Note

Assay (iodometric): ≥ 99.5 %In water insoluble matter: ≤ 0.005 %pH-value (5 %; water): 9.0 - 9.8Chloride (Cl): ≤ 0.001 %Sulfate (SO4

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Analysis Note

Assay (iodometric): ≥ 99.5 %In water insoluble matter: ≤ 0.005 %pH-value (5 %; water): 9.0 - 9.8Chloride (Cl): ≤ 0.001 %Sulfate (SO4): ≤ 0.01 Ê (Calcium): ≤ 0.005 %Na (Sodium): ≤ 0.02 %Pb (Lead): ≤ 0.005 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Packaging

1 kg in Plastic bottle

250 g in Plastic bottle

agencyreag. Ph. Eur.
anion tracessulfate (SO42-): ≤0.01%, chloride (Cl-): ≤0.001%
assay≥99.5% (iodometric)
bulk density1400 kg/m3
cation tracesPb: ≤0.005%, Ca: ≤0.005%, Na: ≤0.02%
density2.73 g/cm3 at 18 °C
formsolid
gradeACS reagent
impurities≤0.005% In water insoluble matter
InChI keyXMXNVYPJWBTAHN-UHFFFAOYSA-N
InChI1S/Cr.2K.4O/q;2*+1;;;2*-1
mp985 °C
pH9.0-9.8 (20 °C, 50 g/L in H2O)
product lineEMSURE®
Quality Level300
solubility637 g/L
storage temp.2-30°C
Cas Number7789-00-6
Hazard Class6.1
Un Number3288
Pack GroupII
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