CALCIUM CARBONATE PRECIPITATED FOR ANALY

Code: 1020661000 D2-231

Analysis Note

Assay (complexometric; calculated on dried substance): 98.5 - 100.5 %Identity: passes testSubstances insoluble in acetic acid: ≤ 0.2 %Substances insoluble...


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€175.00 EACH
€215.25 inc. VAT

Analysis Note

Assay (complexometric; calculated on dried substance): 98.5 - 100.5 %Identity: passes testSubstances insoluble in acetic acid: ≤ 0.2 %Substances insoluble in hydrochloric acid: ≤ 0.005 %Chloride (Cl): ≤ 0.005 %Sulfate (SO4): ≤ 0.03 %Heavy metals (as Pb): ≤ 0.002 %Total nitrogen (N): ≤ 0.001 %Al (Aluminium): ≤ 0.005 %As (Arsenic): ≤ 0.0004 º (Barium): passes testCu (Copper): ≤ 0.0005 þ (Iron): ≤ 0.001 %K (Potassium): ≤ 0.005 %Mg (Magnesium): ≤ 0.02 %Na (Sodium): ≤ 0.2 %Pb (Lead): ≤ 0.0005 %Sr (Strontium): ≤ 0.1 %Magnesium and alkali metals: ≤ 1.5 %Particle size (d 50): about 14 µmLoss on drying (200 °C): ≤ 1.0 %Corresponds to Reag. Ph Eur

Legal Information

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

Packaging

50 kg in Fibre carton

1 kg in Plastic bottle

250 g in Plastic bottle

agencyreag. Ph. Eur.
anion tracessulfate (SO42-): ≤0.03%, chloride (Cl-): ≤0.005%
assay98.5-100.5% dry basis (complexometric)
bulk density300‑1400 kg/m3
cation tracesPb: ≤0.0005%, K: ≤0.005%, Fe: ≤0.001%, Cu: ≤0.0005%, Mg and allied cations: ≤1.5%, Mg: ≤0.02%, Sr: ≤0.1%, Al: ≤0.005%, N: ≤0.001%, Ba:, passes test, As: ≤0.0004%, Na: ≤0.2%, heavy metals (as Pb): ≤0.002%
density2.93 g/mL at 25 °C (lit.)
formsolid
impurities≤0.005% Substances insoluble in hydrochloric acid, ≤0.2% Substances insoluble in acetic acid
InChI keyVTYYLEPIZMXCLO-UHFFFAOYSA-L
InChI1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
loss≤ 1.0% loss on drying, 200 °C
mp825 °C (decomposition)
particle size~14 µm (D 50)
pH9.5-10.5 (20 °C, 100 g/L in H2O, slurry)
potency>2000 mg/kg LD50, skin (Rat), 6450 mg/kg LD50, oral (Rat)
product lineEMSURE®
Quality Level300
SMILES string[Ca++].[O-]C([O-])=O
storage temp.10-30°C
Cas Number471-34-1
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