|
Test Items
|
Standard
|
|
Appearance
|
White crystalline powder
|
|
Glyoxylic acid
|
99% min
|
|
Formic acid
|
0.25% max
|
|
Maleic acid
|
0.1% max
|
|
Oxalic Acid
|
1.0%
|
|
Glyoxal
|
0.05% max
|