Kwas siarkowy 95-97% ExpertQ® do analizy, ISO, Reag. Ph Eur – Scharlau

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PRODUCENT: SCHARLAB

Sulfuric acid, 95 – 97%, ExpertQ®, ISO,

– Synonyms: Sulphuric acid
– H2SO4
– M = 98,08 g/mol
– CAS [7664-93-9]
– EINECS-No.: 231-639-5
– Density: 1,84 g/cm3
– Solub. in water: (20 ºC): miscible
– Melting point: ~ -15 ºC
– Boiling point: ~ 310 ºC
– Vapour pressure: (20 ºC) ~ 0,0001 hPa
– LD 50 (oral, rat): 2140 mg/kg
– EC-Index-No.: 016-020-00-8
– ADR: 8 C1 II UN 1830
– IMDG: 8 II UN 1830
– IATA/ICAO: 8 II UN 1830
– GHS-signal word: Danger
– GHS-H sentences: H314
– GHS-P sentences: P260 – P303+P361+P353 – P305+P351+P338 – P321 – P405 – P501a
– Tariff number: 2807 00 00 00
– Applications: analytical chemistry, laboratory reagent, acidifying agent, synthesis of organic products, nitrogen determinations.

SPECIFICATIONS
assay (acidimetric): 95,0 – 97,0 %
appearance: clear and colourless
colour (Hazen): max. 10
density (20º/20º): 1,834 – 1,837
oxidisable substances: passes test
Identification sulfates: passes test
chlorides (Cl): max. 0,5 ppm
nitrates (NO3): max. 0,5 ppm
nitrates and nitrites (as NO3): max. 0,2 ppm
ammonium (NH4): max. 2 ppm
arsenic (As): max. 0,02 ppm
copper (Cu): max. 0,1 ppm
iron (Fe): max. 0,5 ppm
lead (Pb): max. 0,1 ppm
heavy metals (as Pb): max. 2 ppm
substances reducing KMnO4 : max. 5 ppm
residue on ignition: max. 0,001 %