Kwas ortofosforowy, roztwór 50% ExpertQ® do analizy – Scharlau

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PRODUCENT: SCHARLAB

ortho-Phosphoric acid, solution 50%, Exp

– Synonyms: Orthophosphoric acid
– H3PO4
– M = 98,00 g/mol
– CAS [7664-38-2]
– EINECS-No.: 231-633-2
– Density: 1,33 g/cm3
– Solub. in water: (20 ºC): miscible
– LD 50 (oral, rat): 1530 mg/kg (anhydrous substance)
– EC-Index-No.: 015-011-00-6
– ADR: 8 C1 III UN 1805
– IMDG: 8 III UN 1805
– IATA/ICAO: 8 III UN 1805
– GHS-signal word: Danger
– GHS-H sentences: H314
– GHS-P sentences: P260 – P303+P361+P353 – P305+P351+P338 – P321 – P405 – P501a
– Tariff number: 2809 20 00 00
– Applications: analytical chemistry, laboratory reagent, in fertilizer compositions, solvents (for pharmaceutical use), antioxidant (in food industry).

SPECIFICATIONS
assay (acidimetric): approx. 50 %
chlorides (Cl): max. 0,0005 %
nitrates (NO3): max. 0,0005 %
silicates (SiO2): max. 0,025 %
sulfates (SO4): max. 0,006 %
arsenic (As): max. 1 ppm
antimony (Sb): max. 2 ppm
cadmium (Cd): max. 1 ppm
calcium (Ca): max. 0,005 %
chromium (Cr): max. 1 ppm
cobalt (Co): max. 1 ppm
copper (Cu): max. 1 ppm
iron (Fe): max. 0,001 %
lead (Pb): max. 1 ppm
magnesium (Mg): max. 0,001 %
manganese (Mn): max. 1 ppm
nickel (Ni): max. 1 ppm
potassium (K): max. 5 ppm
sodium (Na): max. 0,05 %
zinc (Zn): max. 2 ppm
substances reducing KMnO4 : passes test
volatile acids (as CH3COOH): max. 0,001 %