Product Name: Level HCl: GR / AR / CP
Implementation of the standards: GB / T 622-2006
Molecular formula: HCl
Properties: This reagent is colorless and transparent aqueous hydrogen chloride solution, fuming in the air with a pungent odor, having a density of 1.18 g / mL
Hazardous characteristics: can react with some active metal powder, hydrogen. Cyanide case can produce highly toxic hydrogen cyanide gas. Zhonghe react with a base, and release a lot of heat. With strong corrosive.
Avoid: bases, amines, alkali metal, flammable or combustible materials.
Items | Indicators | ||
GR | AR | CP | |
HCl，W/% | 36.0～38.0 | 36.0～38.0 | 36.0～38.0 |
Chroma / Hazen units ≤ | 5 | 10 | 10 |
Residue on ignition (Sulfate)W/% ≤ | 0.0005 | 0.0005 | 0.002 |
Free chlorine（CL），W/% ≤ | 0.00005 | 0.0001 | 0.0002 |
Sulfate（SO4），W/% ≤ | 0.0001 | 0.0002 | 0.0005 |
Sulfite（SO3），W/% ≤ | 0.0001 | 0.0002 | 0.001 |
iron（Fe），W/% ≤ | 0.00001 | 0.00005 | 0.0001 |
copper（Cu），W/% ≤ | 0.00001 | 0.00001 | 0.0001 |
arsenic（As），W/% ≤ | 0.000003 | 0.000005 | 0.00001 |
tin（Sn），W/% ≤ | 0.0001 | 0.0002 | 0.0005 |
lead（Pb），W/% ≤ | 0.00002 | 0.00002 | 0.00005 |
【Next】：NO