POTASSIUM CARBONATE FOR ANALYSIS EMSURE (C005B-050232)

Linkage

Replaces: PX1390; PX1390-1; PX1390-20

Analysis Note

Assay (acidimetric; calculated on dried substance): ≥ 99.0 %
Assay (acidimetric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.003 %
Phosphate (PO₄): ≤ 0.001 %
Silicate (SiO₂): ≤ 0.005 %
Total sulfur (as sulfate): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.0005 %
Substances precipitated by ammonia: ≤ 0.01 %
Loss on drying (300 °C): ≤ 1.0 %
Corresponds to ACS, ISO, Reag. Ph Eur

Legal Information

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

Molecular Weight: 138.21. Empirical Formula: CK₂O₃. grade: ACS reagent. Quality Level: 300. Agency: reag. ISO, reag. Ph. Eur.. product line: EMSURE^®. . Assay: ≥. 99.0% (acidimetric), ≥. 99.0% dry basis (acidimetric). form: solid. potency: >. 2000 . mg/kg LD₅₀, oral (Rat). impurities: ≤. 0.005% Insoluble matter, ≤. 0.01% Substances precipitated by ammonia. loss: ≤. 1% loss on drying, 300 °C. pH: 11.5-12.5 (20 . °C, 50 . g/L in H₂O). mp: 891 . °C. density: 2.43 . g/cm³ . at 20 . °C. bulk density: 750 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.003%, phosphate (PO₄^3-): ≤. 0.001%, silicate (as SiO₂): ≤. 0.005%, sulfur compounds (as SO₄^2-): ≤. 0.003%. cation traces: Ca: ≤. 0.002%, Cu: ≤. 0.0005%, Fe: ≤. 0.0005%, Mg: ≤. 0.001%, N: ≤. 0.001%, Na: ≤. 0.02%, Pb: ≤. 0.0005%, heavy metals: ≤. 0.0005%. storage temp.: 2-30°C. InChI: 1S/CH2O3.2K/c2-1(3)4. . /h(H2,2,3,4). . /q. 2*+1/p-2. InChI key: BWHMMNNQKKPAPP-UHFFFAOYSA-L. Pictograms: GHS07. Signal Word: Warning. Hazard Statements: H315 - H319 - H335. Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338. Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3. Target Organs: Respiratory system. Storage Class Code: 13 - Non Combustible Solids. WGK: WGK 1. Flash Point(F): Not applicable. Flash Point(C): Not applicable.