Siarczan potasowy,Pharmpur® ekstra czysty, Ph Eur, BP – SCHARLAU
Informacje dodatkowe
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Potassium sulfate, extra pure,
– Synonyms: Sulfuric acid potassium salt
– K2SO4
– M = 174,27 g/mol
– CAS [7778-80-5]
– EINECS-No.: 231-915-5
– Solub. in water: (20 ºC): 110 g/l
– Melting point: 1069 ºC
– Boiling point: 1689 ºC
– LD 50 (oral, rat): 6600 mg/kg
– Tariff number: 3104 30 00 00
– Applications: analytical chemistry, laboratory reagent, for determination of: nitrogen (Kjeldahl), in fertilizer compositions, manufacture of glass.
SPECIFICATIONS
assay (acidimetric, referred to dried sample): 98,5 – 101,0 %
Identification potassium: passes test
Identification sulfates: passes test
appearance of solution: clear and colourless
acidity or alkalinity: passes test
chlorides (Cl): max. 40 ppm
calcium (Ca): max. 200 ppm
iron (Fe): max. 10 ppm
magnesium (Mg): max. 20 ppm
sodium (Na): max. 0,10 %
loss on drying (130 ºC): max. 1,0 %
