Citric Acid Monohydrate
|
Items
|
Standard Values
|
Actual values
|
|
Outward
|
Colorless or white crystals
|
white crystals
|
|
Color clarity
|
20 % aqueous clarification
|
Comply with the test
|
|
Main content
|
99.5-100.5
|
99.7%
|
|
water content
|
≤9.0%
|
8.68%
|
|
Carbonic ash
|
≤0.05%
|
0.01%
|
|
transmittance
|
≥95.5%
|
99.2%
|
|
sulfate
|
≤20ppm
|
＜20 ppm
|
|
chloride
|
≤5 ppm
|
＜5 ppm
|
|
Calcium salt
|
≤20ppm
|
＜20 ppm
|
|
heavy metal
|
≤1 ppm
|
＜1 ppm
|
|
Ca
|
≤1 ppm
|
＜1 ppm
|
|
oxalate
|
≤20 ppm
|
＜20 ppm
|
|
readily carbonizable substance
|
≤1.0
|
0.42
|
|
As
|
≤1.0 ppm
|
＜1.0 ppm
|
|
Bb
|
≤0.5 ppm
|
＜0.5 ppm
|
|
water insoluble
|
No more than 1 minute, basically no discoloration, no more than 3 visible impurities.
|
Comply with the test
|