Sensitive index: white, flaky or granular, easy to absorb moisture, bitter.
|
Item |
Quality standard QB2604-2003 |
|
Magnesium Chloride (as MgCl2) %≥ |
46.00 |
|
Calcium ions (as Ca2+) %≤ |
0.10 |
|
Sulfate radical (as SO42-) %≤ |
0.80 |
|
Alkali metal chloride (as Cl-) %≤ |
0.40 |
|
Water insoluble matter%≤ |
0.10 |
|
Chroma ( scale) %≤ |
40 |
|
Lead (as Pb+) mg/kg≤ |
3.0 |
|
Arsenic (as As3+) mg/kg≤ |
0.5 |
|
Ammonia (as NH4+) mg/kg≤ |
50 |
|
Note: The Chroma of 1mg Pt in 1L water is 1 scale |
|