สารทดสอบ | ประเภท | ||
JCNFESO4-1 | JCNFESO4-2 | ||
เนื้อหาหลัก | ≥90.0% | ≥ 87.0% | |
TiO2 | ≤0.75% | ≤1.0% | |
INSOLUBLE | ≤0.50% | ≤0.50% | |
ACID ฟรี (AS H2SO4) | ≤1.00% | ≤2.00% | |
FE | ≥ 18.0% | ≥ 17.5% | |
ARSENIC | ≤2 ((mg/kg) | ≤ 0.001% | |
PB | ≤15 ((mg/kg) | ≤ 0.002% | |
ซีดี | ≤ 1 ((mg/kg) | ≤ 0.0005% | |
HG | ≤ 0.00002% | ≤ 0.0001% | |
CR | ≤ 0.001% | ≤ 0.005% | |
สาย Mesh (180um) | ≥ 90% | ≥ 88% |