Item
|
High class
|
First class
|
Purity(CH3COO(CH2)3CH3),ω/%
|
99.5
|
99.0
|
Density(20ºC),ρ/(g/mL)
|
2,02 g/cm3
|
2,02 g/cm3
|
calcium, % min
|
30
|
30.2
|
heavy metal(as pb) max
|
0.002
|
0.002
|
(C4H9OH),ω/%
|
0.2
|
0.5
|
As max
|
0.0002
|
0.0002
|
PH(10% aqueous solution )
|
6.5-8.0
|
6.5-8.0
|
loss on drying max
|
0.5
|
0.5
|