Specification Sheet
Product Name
Sodium sulfate puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., anhydrous, ≥99.0%
Product Number
31481-m
Product Brand
sial
CAS Number
7757-82-6
Molecular Weight
142.04
Test | Specification |
|---|---|
| TITRATABLE ACID | ≤ 0.05 % (AS H2SO4) |
| TITRATABLE BASE | ≤ 0.03 % (AS NAOH) |
| ASSAY | ≥ 99.0 % |
| Assay | 99.0 - 101.0 % (calc. to dried substance) |
| INSOLUBLE MATTER | ≤ 0.01 % (Water insoluble matter) |
| PH | 5.2 - 8.0 (5 %, 25 DEG C) |
| LOSS ON DRYING | ≤ 0.5 % (130 DEG C) |
| LOSS ON IGNITION | ≤ 0.5 % (800 DEG C) |
| APPEARANCE OF SOLUTION | Complying |
| HEAVY METALS | ≤ 5 PPM (AS PB) |
| ARSENIC | ≤ 0.0001 % |
| CALCIUM | ≤ 20 ppm |
| IRON | ≤ 5 ppm |
| POTASSIUM | ≤ 0.01 % |
| MAGNESIUM | ≤ 25 ppm |
| ZINC | ≤ 0.02 % |
| CHLORIDE (CL) | ≤ 10 ppm |
| TOTAL NITROGEN | ≤ 5 ppm |
| PHOSPHATE (PO4) | ≤ 0.001 % |