Sodium Hydroxide 50% SolutionCAS# 1310-73-2 |
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| Property | Unit: | Specification: |
|---|---|---|
| Assay (Wt.% Total Solution) | % | 50.0 – 52.0 |
| Assay, Dry Wt. Basis (NaOH), Total Alkalinity | Wt.% | 97 – 103 Labeled Amount of NaOH |
| Sodium Carbonate (Na2CO3) | % | 0.1 Maximum |
| Chloride (Cl) | % | 0.002 Maximum |
| Nitrogen Compounds (as N) | % | 0.001 Maximum |
| Phosphate (PO4) | % | 0.001 Maximum |
| Sulfate (SO4) | % | 0.001 Maximum |
| Ammonium Hydroxide | % | 0.010 Maximum |
| Heavy Metals (as Pb) | % | 0.002 Maximum |
| Lead (Pb) | mg/kg | 10 Maximum |
| Iron (Fe) | % | 0.0003 Maximum |
| Potassium (K) | % | 0.03 Maximum |
| Nickel (Ni) | % | 0.001 Maximum |
| Mercury (Hg) | mg/kg | 1 Maximum |
| Arsenic (As) | mg/kg | 3 Maximum |
| Identification | Positive for Sodium | |
| Packaging | ||
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