Items

USO26

EP7.0/USP36

K15

K30

K90

K15

K30

K90

Appearance

White or yellowish-white,hygroscopic powder or flakes

K Value

12.8-17.3

27.0-32.4

81.0-97.2

12.8-17.3

27.0-32.4

81.0-97.2

NVP Impurity,ppm

/

/

/

10

10

10

water，%

5

5

5

5

5

5

pH Value(5% in aqueous solution)

3.0-7.0

3.0-7.0

3.0-7.0

3.0-7.0

3.0-7.0

3.0-7.0

Sulphated Ash，%

0.1

0.1

0.1

0.1

0.1

0.1

Nitrogen Content，%

11.5-12.8

11.5-12.8

11.5-12.8

11.5-12.8

11.5-12.8

11.5-12.8

2-Pyrrolidone，%

3.0

3.0

3.0

3.0

3.0

3.0

Formic Acid（ppm,%)

0.5

0.5

0.5

0.5

0.5

0.5

Adehydes(Expressed as Acetaldehyde),ppm

500

500

500

500

500

500

Heavy Metals(as Pb),ppm

10

10

10

10

10

10

Hydrazine,ppm

1

1

1

1

1

1

Peroxides(Expressed as H2O2),ppm

400

400

400

400

400

400