1、Chemical Name: Sodium Bisulfate
2、Molecular Formula: NaHSO4
3、Molecular Weight: 120
4、CAS: 7681-38-1
5、Character: Colorless crystals.Odorless.It forms sodium pyrosulfate under strong heat.It can be decomposed into sodium sulfate and free sulfuric acid by ethanol.Soluble in about 0.8 share or water,PH value of 0.1mol/L solution is 1.4.Melting point 58.5℃,boiling point is about 315℃(anhydrous product).Irritating.
6、Usage: Used for Mineral analysis,determination of bromine,iodine,copper and titanium dioxide.
7、Packing: It is packed with a polyethylene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg .
8、Storage and Transport: It should be stored in a dry and ventilation warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| 质量指标 | Specification | HG/T4516-2013 | ||
| I型 | II型 | |||
| 一等品 | 合格品 | |||
| 含量（以干基计），w/% ≥ | Content(On Dry Basis),w/% ≥ | 98.0 | 90.0 | |
| 氯化物(以Cl计)，w/% ≤ | Chlorides (As Cl),w/% ≤ | 0.03 | 0.05 | 0.3 |
| 铁（Fe），w/% ≤ | Iron(Fe),w/% ≤ | 0.003 | 0.003 | |
| 水不溶物，w/% ≤ | Insoluble Substances,w/% ≤ | 0.1 | 0.1 | |
