ZINC OXIDE FOR ANALYSIS ACS 25 KG

Code: 1088499025 D2-231

Analysis Note

Assay (complexometric, ZnO calculated on ignited substance): 99.0 - 100.5 %Assay (complexometric, ZnO): ≥ 99.0 %Identity: passes testCarbonate and color o...


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Analysis Note

Assay (complexometric, ZnO calculated on ignited substance): 99.0 - 100.5 %Assay (complexometric, ZnO): ≥ 99.0 %Identity: passes testCarbonate and color of solution: passes testSubstances insoluble in diluted sulfuric acid: ≤ 0.01 %Free Alkali: passes testChloride (Cl): ≤ 0.001 %Nitrate (NO3): ≤ 0.003 %Sulfur compounds (as SO4): ≤ 0.01 %Total nitrogen (N): ≤ 0.0005 %As (Arsenic): ≤ 0.0001 Ê (Calcium): ≤ 0.001 Í (Cadmium): ≤ 0.0005 %Cu (Copper): ≤ 0.0005 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.01 %Mg (Magnesium): ≤ 0.005 %Mn (Manganese): ≤ 0.0005 %Na (Sodium): ≤ 0.001 %Pb (Lead): ≤ 0.002 %Substances reducing potassium permanganate (as O): ≤ 0.001 %Loss on ignition (500 °C): ≤ 1.0 %

Legal Information

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

Packaging

1 kg in Plastic bottle

500 g in Plastic bottle

25 kg in Fibre carton

agencyreag. Ph. Eur.
anion tracesnitrate (NO3-): ≤0.003%, sulfur compounds (as SO42-): ≤0.01%, chloride (Cl-): ≤0.001%
assay99.0-100.5% ZnO basis (complexometric), ≥99.0% (complexometric)
bulk density200‑700 kg/m3
cation tracesPb: ≤0.002%, Fe: ≤0.0005%, Ca: ≤0.001%, Cu: ≤0.0005%, Mn: ≤0.0005%, K: ≤0.01%, Mg: ≤0.005%, excess alkali:, passes test, Cd: ≤0.0005%, As: ≤0.0001%, N: ≤0.0005%, Na: ≤0.001%
density5.61 g/cm3 at 20 °C
formsolid
gradeACS reagent
impurities≤0.001% Substances reducing potassium permanganate (as O), ≤0.01% Substances insoluble in diluted sulfuric acid
InChI keyXLOMVQKBTHCTTD-UHFFFAOYSA-N
InChI1S/O.Zn
loss≤1.0% loss on ignition, 500 °C
mp1975 °C
pH7 (20 °C, 50 g/L in H2O, slurry)
potency>5000 mg/kg LD50, oral (Rat)
product lineEMSURE®
Quality Level300
solubilityinsoluble 0.0016 g/L
storage temp.2-30°C
Cas Number1314-13-2
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