| Spending Type | : Consumable |
| Category | : Chemical Reagent |
| Type | : Classical Lab Chemicals |
| SKU | : 1.06528.0500 |
106528 Sodium disulfit (sodium metabisulfit) untuk analisis EMSURE® ACS,Reag. Ph Eur
atau disebut juga : Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite
Simpan pada +5°C hingga +30°C.
| Assay (iodometric) | 98.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| pH-value (5 %; water) | 3.5 - 5.0 |
| Insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.005 % |
| Thiosulfate (S₂O₃) | ≤ 0.05 % |
| passes test | |
| Heavy metals (as Pb) | ≤ 0.001 % |
| As (Arsenic) | ≤ 0.0001 % |
| Fe (Iron) | ≤ 0.0005 % |
