This standard is applicable to the food additive, manganese sulfate, manufactured with pyrolusite, rhodochrosite or manganese metal as raw materials.
2 Chemical Name, Molecular Formula and Relative Molecular Mass
2.1 Chemical name
Manganese sulfate monohydrate
2.2 Molecular formula
MnSO4?H2O
2.3 Relative molecular mass
169.02 (as per 2007 international relative atomic mass)
3 Technical Requirements
3.1 Sensory requirements shall be in accordance with those specified in Table 1.
Table 1 Sensory Requirements
Item Requirement Inspection method
Color and lustre Rose pink Put a proper amount of specimen into a 50mL beaker, observe its color and lustre as well as state under natural light
State Particle or powder
3.2 Physical and chemical indexes shall be in accordance with those specified in Table 2.
Table 2 Physical and Chemical Indexes
Item Index Inspection method
Content of manganese sulfate (MnSO4?H2O), ω/% 98.0~102.0 A.4 of Annex A
Arsenic (AS)/(mg/kg) ≤ 3 GB/T 5009.76
Lead (Pb)/(mg/kg) ≤ 4 A.5 of Annex A
Selenium (Se)/(mg/kg) ≤ 30 A.6 of Annex A
Loss on ignition, ω/% 10.0~13.0 A.7 of Annex A
