Items
|
Pharma Grade
|
Food Grade GB2023-80
|
Industrial Grade
|
Content %
|
85-90
|
≥80
|
40-90
|
chloride %
|
≤0.002
|
≤0.002
|
|
sulphate %
|
≤0.01
|
≤0.01
|
|
iron %
|
≤0.001
|
≤0.001
|
|
residualon ignition
|
≤0.1
|
≤0.1
|
|
heavy metal %
|
≤0.001
|
≤0.001
|
|
arsenate %
|
≤0.0001
|
≤0.0001
|
|
free carbonizing %
|
no brown color at interface
|
|
|
reducing sugar %
|
no red sediment
|
|
|
package
|
according customer's request
|
25kg plastic drum 250kg plastic drum
|
according customer's request
|
Item
|
Pharma Grade
|
Food Grade
|
Feed Grade
|
Characteristic
|
white granular or power
|
white granular or power
|
white granular or power
|
solbility
|
easily dissolved in hot water,but not in ether or cholorform
|
||
chloride %
|
≤0.02
|
-
|
-
|
sulphate %
|
≤0.02
|
-
|
-
|
baryta %
|
qualified
|
-
|
-
|
iron %
|
≤0.005
|
-
|
≤0.05
|
acidity %
|
≤0.5ml
|
-
|
-
|
heavy metal %
|
≤0.002
|
≤0.002
|
≤0.002
|
volatile fatty acid
|
-
|
-
|
no-testing volatility fatty acid bad smell
|
|
≤0.0002
|
-
|
-
|
loss on drying %
|
≤30
|
qualified
|
22.0-27.0
|
mg-basic salt %
|
5mg/L
|
1
|
1
|
content %
|
98.0-103.0
|
≥98.0
|
98-103
|
free acid %
|
-
|
≤0.45
|
-
|
free alkali
|
-
|
-
|
-
|
arsensate %
|
-
|
≤0.0003
|
-
|
item
|
factory standard
|
characteristic
|
white crystals or powder
|
content %
|
98.0-103.3
|
loss on drying %
|
≤18.5
|
chloride %
|
≤0.005
|
sulphate %
|
≤0.02
|
heavy metal %
|
≤0.001
|
arsenate %
|
≤0.0003
|
package
|
25kg craft-paper bag
|