Copper sulfate reagent grade
Main characteristics
- reagent copper (II) sulfate pentahydrate, grade «Pure» GOST 4165-78;
- mass fraction of pentahydrate copper (II) sulfate (CuSO4 • 5H2O) – min 98,5%;
- packaging — polyethylene (polypropylene) valve bag with a weight of 25 kg.
Soluble in water, dilute alcohol and hydrochloric acid, blue crystals eroding in air.
Formula: CuSO4 * 5Н2О
Molecular mass: 249.69
Chemical composition:
| Item name | Standard for the grade p. |
|---|---|
| 1. Mass fraction of copper vitriol (II) pentahydrate (CuSO4•5Н2О), %, min | 98,5 |
| 2. Mass fraction of water insoluble residue, %, max | 0,008 |
| 3. Mass fraction of total Nitrogen (N), %, max | 0,008 |
| 4. Mass fraction of Chloride (Cl), %, max | 0,0050 |
| 5. Mass fraction of Ferrum (Fe), %, max | 0,020 |
| 6. Mass fraction of Arcenic (As), %, max | not standardized |
| 7. Mass fraction of matters non-precipitable by H2S in the form of sulfates,%, max | 0,20 |
| 8. Mass fraction of Nickel (Ni), %, max | not standardized |
Product form and packaging
Reagent is packaged and marked in accordance with GOST 3885-73. Package is a plastic (polypropylene) bag with a valve.
Net weight of the bag containing copper vitriol is 25 (±0.60) kg.
The bags are placed in a cardboard box on a wooden pallet by 42 pcs. each and are wrapped with a few layers of polymer film.
Storage inside covered warehouses. Warranty storage period is two (2) years from the date of manufacture, provided that the transportation and storage conditions are observed.
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Certification
Quality management system, environmental management system, and OHSAS management system was certified by TÜV NORD, German certification body, against requirements of standards ISO 9001:2015, ISO 14001:2015 и OHSAS 45001:2015.
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