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| TEST |
| 1. Assay 99.7% min. |
| 2. Color (APHA) 10 |
| 3. Dilution test - pass test |
| 4. Residue after evaporation 0.0001% |
| 5. Acetic anhydride 0.01% |
| 6. Chloride 0.0001% |
| 7. Sulfate 0.0001% |
| 8. Heavy Metals (as Pb) 0.00001% |
| 9. Reducing substances - Pass test |
| 10. Substances reducing permanganate - Pass test |
| 11. Titrable base 0.0004 meq/g |
| Ag 10 ppb | Al 10 ppb | As 10 ppb |
| Ba 10 ppb | Be 10 ppb | Ca 10 ppb |
| Cd 10 ppb | Co 10 ppb | Cr 10 ppb |
| Cu 10 ppb | Fe 10 ppb | K 10 ppb |
| Li 10 ppb | Mg 10 ppb | Mn 10 ppb |
| Mo 10 ppb | Na 10 ppb | Ni 10 ppb |
| Pb 10 ppb | Sb 10 ppb | Se 10 ppb |
| Sr 10 ppb | Ti 10 ppb | Tl 10 ppb |
| V 10 ppb | Zn 10 ppb | |