Product Name: Nitrate levels: GR / AR / CP
Implementation of the standards: GB / T 626-2006
Molecular formula: HNO3
Properties: This reagent is colorless or light yellow transparent liquid, easy to break down, having a density of 1.4 g / mL
Hazardous characteristics: strong oxidants. Can violent reaction with a variety of materials such as metal powder, calcium carbide, hydrogen sulfide, turpentine, or even an explosion. And reducing agents, combustible materials such as sugar, cellulose, wood, cotton, straw or waste yarn top contacts, cause a fire and gives off toxic fumes brown. Highly corrosive.
Materials to avoid: reducing agents, bases, alcohols, alkali metals, copper, amines.
Items | Indicators | ||
GR | AR | CP | |
HNO3，W/% | 65.0～68.0 | 65.0～68.0 | 65.0～68.0 |
Chroma / Hazen units ≤ | 20 | 20 | 25 |
Residue on ignition (Sulfate)W/% ≤ | 0.0005 | 0.001 | 0.002 |
chloride（CL），W/% ≤ | 0.00005 | 0.00005 | 0.0002 |
Sulfate（SO4），W/% ≤ | 0.0001 | 0.0002 | 0.001 |
iron（Fe），W/% ≤ | 0.00002 | 0.00003 | 0.0001 |
arsenic（As），W/% ≤ | 0.000001 | 0.000001 | 0.000005 |
copper（Cu），W/% ≤ | 0.000005 | 0.00001 | 0.00005 |
lead（Pb），W/% ≤ | 0.000005 | 0.00001 | 0.00005 |