Testing Item | Standard | Result |
Appearance | White to yellowish powder | conforms |
Menadione | ≥43.9 | 44.2 |
Nicotinamide | ≥31.2 | 31.9 |
MNB | ≥96.0 | 96.5 |
Melting point | 175-180ºC | 178-179 ºC |
Content Sulfoacid | No precipitation | No precipitation |
Content water | ≤1.5 | 0.25 |
Content Chromium | ≤120mk/kg | 90mk/kg |
Content Heavy metals | ≤0.002 | <0.001 |
Content Arsenic | ≤2mk/kg | <1mk/kg |
Package: |
1.1~10kg/bag,double plastic bags inside,aluminum foil Bag outside . 2.25kg/drum,double plastic bags inside 3.Accoding to your requirments |