product name: sodium ferrocyanide
molecular formula: na4fe(cn)6·10h2o
molecular weight: 484.04
property: yellow crystal, soluble in water
uses: used in pigment, pharmaceutical, steel and carbonization industry etc.
package and specification: plastic woven bag, 25kg/bag.
standard: gb/t6708-94
item
|
index
|
excellent-grade
|
first-grade
|
food grade
|
content(dry base) % ≥
|
99.00
|
98
|
99.0
|
cyanide(based on nacn)% ≤
|
0.01
|
0.02
|
0.01
|
water-insoluble matter % ≤
|
0.02
|
0.04
|
0.01
|
moisture % ≤
|
1.50
|
2.5
|
0.50
|
sulfate(so 4 ) % ≤
|
0.30
|
0.40
|
0.07
|
|