Product Name: Phosphate Level: AR / CP
Implementation of the standards: GB / T 1282-2013
Molecular formula: H3PO4
Properties: This reagent is colorless, odorless, viscous liquid, soluble in water and alcohol. Density (20 ℃) of about 1.69g / mL
Hazardous characteristics: case of metal reaction to release hydrogen, can form explosive mixtures with air. Thermal decomposition of highly toxic phosphorus oxide fumes. Corrosive.
Incompatibility: strong base, active metal powder, flammable or combustible materials.
Items | Indicators | |
AR | CP | |
content（H3PO4），W/% ≥ | 85.0 | 85.0 |
Chroma / Hazen units ≤ | 25 | 25 |
Volatile acid (H meter)/（mmol/g） ≤ | 0.0002 | 0.0002 |
chloride（CL），W/% ≤ | 0.0003 | 0.0005 |
Sulfate（SO4），W/% ≤ | 0.003 | 0.01 |
Nitrate（NO3），W/% ≤ | 0.0005 | 0.0005 |
arsenic(As), W/% ≤ | 0.00005 | 0.0001 |
iron（Fe），W/% ≤ | 0.002 | 0.002 |
sodium(Na), W/% ≤ | 0.05 | 0.06 |
Potassium(K), W/% ≤ | 0.005 | 0.006 |
manganese(Mn), W/% ≤ | 0.0002 | 0.0005 |
nickel(Ni), W/% ≤ | 0.0005 | 0.001 |
copper(Cu), W/% ≤ | 0.0005 | 0.001 |
Zinc(Zn), W/% ≤ | 0.001 | 0.001 |
cadmium(Cd), W/% ≤ | 0.0005 | 0.0005 |
lead(Pb), W/% ≤ | 0.001 | 0.001 |
Reducing substance (as H3PO3 dollars)W/% ≤ | 0.01 | 0.03 |