Magnezu siarczan x 7H2O ExpertQ® do analizy, ACS, Reag. Ph Eur – SCHARLAU
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Magnesium sulfate heptahydrate, ExpertQ®
– Synonyms: Bitter salt, Epsom salt, Sulfuric acid magnesium salt heptahydrate
– MgSO4·7H2O
– M = 246,48 g/mol
– CAS [10034-99-8]
– EINECS-No.: 231-298-2
– Solub. in water: (20 ºC): 710 g/l
– Tariff number: 2833 21 00 00
– Applications: analytical chemistry, manufacture of dyes, in fertilizer compositions, in explosive compositions, cosmetics.
SPECIFICATIONS
assay (complexometric, on dried sample): 99 – 102 %
identity: passes test
appearance of solution: passes test
insoluble in water: max. 0,005 %
pH (5 %, H2O): 5,0 – 8,2
acidity or alkalinity: passes test
chlorides (Cl): max. 0,0003 %
nitrates (NO3): max. 0,002 %
total nitrogen (as N): max. 0,002 %
ammonium (NH4): max. 0,002 %
arsenic (As): max. 0,0002 %
calcium (Ca): max. 0,005 %
copper (Cu): max. 0,0001 %
heavy metals (as Pb): max. 0,0005 %
iron (Fe): max. 0,0001 %
lead (Pb): max. 0,0001 %
manganese (Mn): max. 0,0005 %
potassium (K): max. 0,001 %
sodium (Na): max. 0,001 %
strontium (Sr) : max. 0,005 %
loss on ignition (400ºC): 48 – 52 %
