Bezwodny siarczan sodowy, proszek,ExpertQ® do analizy,ACS, ISO, Reag. Ph Eur – SCHARLAU
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Sodium sulfate anhydrous, powder, Expert
– Synonyms: Sulfuric acid sodium salt
– Na2SO4
– M = 142,04 g/mol
– CAS [7757-82-6]
– EINECS-No.: 231-820-9
– Solub. in water: (20 ºC): 160 g/l
– Melting point: 888 ºC
– Boiling point: > 890 ºC (decomposes)
– Tariff number: 2833 11 00 00
– Applications: analytical chemistry, organic solvents drying.
SPECIFICATIONS
assay: 99 – 101 %
identification: passes test
appearance of solution: clear and colourless
insoluble matter: max. 0,01 %
pH (5 %, H2O): 5,2 – 8,0
acidity or alkalinity: passes test
nitrogen compounds (as N): max. 0,0005 %
chlorides (Cl): max. 0,001 %
phosphates (as PO4): max. 0,001 %
arsenic (As): max. 1 ppm
calcium (Ca): max. 0,005 %
heavy metals (as Pb): max. 0,0005 %
iron (Fe): max. 5 ppm
magnesium (Mg): max. 0,001 %
potassium (K): max. 0,002 %
zinc (Zn): max. 0,01 %
loss on ignition (600 °C): max. 0,5 %
