Items technical index
Food gradeusp28
Assay , %98.0 -102.099.0-102.0
Loss on dry , %¡ü0.30 ¡ü0.30
Reduzate , %¡ü0.50 ¡ü0.50
Ph6.2-7.8 6.2-7.8
Sulfate , %¡ü0.05 ¡ü0.05
Pb , ¦ì g/g¡ü1 ¡ü1
Arsenic salt , ¦ì g/g ¡ü2 ¡ü2
Heavy metals , ¦ì g/g ¡ü10 ¡ü10
Packing in net each in 25kg plastic woven bag
Assay , 97.0 - 102.0%
Ph, 5.5-7.5
Moisture, 11.6% max
Arsenic (as as) , 3 ppm max
Cadmium , 5 ppm max
Chloride , 0.05% max
Lead , 1 ppm max
Sulfate , 0.05% max
Reducing substances , 1.0% max
25kg paper bags lined with pe plastic bag or paper drum
Assay (dry basis) : 97.0-102.0%
Loss on drying: 6.5-10%
Chloride: 0.07% max
Sulfate: 0.1% max
Ferric iron: 2.0% max
Heavy metals:10 ppm max
Arsenic (as as): 3 ppm max
Lead: 2 ppm max
Mercury: 3 ppm max
Oxalic acid: pass test
Reducing sugars: ass test
25kgs/bag or drum
Itemsfccusp
Assay %98.0-102.099.0-101.0
Loss on drying % <2.0<2.0
Reducing substances <1.0<1.0
Sulfate %<0.05<0.05
Chloride % <0.05<0.07
Heavy metals % <0.002<0.002
Arsenic (as as) % <0.0002<0.0003
Organic volatile impurities ------ Up to standard
25kg paper bags lined with pe plastic bag or paper drum
Item/usp, index
Content, 98.0-102.0%
Discriminate, ab(+)
Chloride, 0.07% max
Sulfate, 0.05% max
Arsenic, 3ppm max
Lead, 25ppm max
Reducing substances, 1.0% max
25kg/drum, store in dry, ventilated and clean environments in room temperature
