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Ortho phosphorous acid
Index:Q/DX JQH019-2001
Byname:
Molecular formula :H3PO3
Molecular weight:82.00
Properties:white crystal, can easily absorb moisture, has
a garlic taste, freely soluble in waterand alcohol.
Melting point:73 .
Density:1.65
Warning:This product is harmful to skin and eyes. Protection
methods must be taken when use it.If there is any contact
with eyes, please use water to wash immediately then ask help
for a doctor. Stored in dry place after being sealed.
Use: Mainly used to detect mercury, gold and silver, lead,
iodic acid, also applied in the manufacture of phosphite.
Packing:500g/glass bottle ,40kg/plastic pail.
Technical index:
| Item |
Analytically pure |
Chemical Pure |
Content  |
99.0% |
99.0% |
| Water dissolution test |
Qualified |
Qualified |
Chloride (CL) |
0.001% |
0.003% |
| Sulfate (SO4) |
0.005% |
0.005% |
| Phosphate (PO4) |
0.03% |
0.5% |
| Iron(Fe) |
0.001% |
0.002% |
| Heavy metal(according to pb ) |
0.001% |
0.001% |
| Alkali metals and alkaline earth (According
to Sulfate) |
0.1% |
0.1% |
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