Specification Sheet
Product Name
Sodium hydroxide puriss. p.a., ACS reagent, reag. Ph. Eur., K ≤0.02%, ≥98%, pellets
Product Number
30620
Product Brand
sigald
CAS Number
1310-73-2
Molecular Weight
40.00
Test | Specification |
---|---|
CONTENT OF CARBONATE (T) | sodium carbonate (Na2CO3) ≤ 1.0 % |
ASSAY | 98.0 - 100.5 % |
APPEARANCE OF SOLUTION | Complying |
HEAVY METALS | ≤ 0.002 % (as Ag) |
Miscellaneous Assay | silicate (as SiO2) ≤ 0.001 % |
ALUMINIUM | ≤ 0.0005 % |
ARSENIC | ≤ 0.0001 % |
CALCIUM | ≤ 0.0005 % |
COPPER | ≤ 0.0005 % |
IRON | ≤ 5 ppm |
MERCURY | ≤ 0.05 ppm |
POTASSIUM | ≤ 0.02 % |
MAGNESIUM | ≤ 0.0005 % |
NICKEL | ≤ 0.0005 % |
LEAD | ≤ 0.0002 % |
ZINC | ≤ 0.0005 % |
HEAVY METALS (PB) (ICP) | ≤ 5 ppm |
CHLORIDE (CL) | ≤ 10 ppm |
TOTAL NITROGEN | ≤ 0.0003 % |
PHOSPHATE (PO4) | ≤ 0.0005 % |
SULFATE (SO4) | ≤ 30 ppm |