| Spending Type | : Consumable |
| Category | : Chemical Reagent |
| Type | : Classical Lab Chemicals |
| SKU | : 1.06657.0500 |
106657 Sodium sulfit anhidrat untuk analisis EMSURE® Reag. Ph Eur
Simpan pada +5°C hingga +30°C.
| Assay (iodometric) | 97.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble matter | ≤ 0.005 % |
| Free acid | passes test |
| Titrable free base | ≤ 0.03 meq/g |
| Chloride (Cl) | ≤ 0.02 % |
| Thiosulfate (S₂O₃) | ≤ 0.1 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0001 % |
| Cu (Copper) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.001 % |
| Pb (Lead) | ≤ 0.0005 % |
| Se (Selenium) | ≤ 0.0004 % |
| Zn (Zinc) | ≤ 0.001 % |
