Fluka

Sodium sulfate

SKU

31481

Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., anhydrous, ≥99.0%

Synonym(s)

Di-Sodium Sulfate; Sodium Sulfate

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General Information:

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Brand Fluka	CAS Numbers (All) 7757-82-6	EC Number 231-820-9	Linear Formula Na₂SO₄	MDL Number MFCD00003504
Molar Mass 142.04 g/mol	RTECS Number WE1650000	Synonyms Di-Sodium Sulfate; Sodium Sulfate

Property	Value
assay	Min. 99.0 %
assay (calc. to the dried substance)	99 - 101.0 %
loss on ignition (800°C)	Max. 0.5 %
loss on drying (130°C)	Max. 0.5 %
water insoluble matter	Max. 0.01 %
pH (5 %, 25 °C)	5.2 - 8.0
free acid (as H2SO4)	Max. 0.05 %
free alkali (as NaOH)	Max. 0.03 %
arsenic (As)	Max. 0.0001 %
calcium (Ca)	Max. 20 ppm
iron (Fe)	Max. 5 ppm
potassium (K)	Max. 0.01 %
magnesium (Mg)	Max. 25 ppm
zinc (Zn)	Max. 0.02 %
heavy metals (as Pb)	Max. 5 ppm
chloride (Cl)	Max. 10 ppm
phosphate (PO4)	Max. 0.001 %
total N	Max. 5 ppm
appearance of the solution	complying

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