分析项目

Items

USO26

EP7.0/USP36

K15

K30

K90

K15

K30

K90

外观Appearance

白色至乳白色粉末White or yellowish-white,hygroscopic powder or flakes

K值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杂质NVPImpurity,ppm

/

/

/

10

10

10

水分water，%

5

5

5

5

5

5

pH值(5% 水溶液)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

硫酸盐灰份Sulphated Ash，%

0.1

0.1

0.1

0.1

0.1

0.1

氮含量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-吡络烷酮      2-Pyrrolidone，%

3.0

3.0

3.0

3.0

3.0

3.0

甲酸Formic Acid（ppm,%)

0.5

0.5

0.5

0.5

0.5

0.5

醛Adehydes(Expressed as Acetaldehyde),ppm

500

500

500

500

500

500

重金属（以铅计）Heavy Metals(as Pb),ppm

10

10

10

10

10

10

肼Hydrazine,ppm

1

1

1

1

1

1

过氧化物Peroxides(Expressed as H2O2),ppm

400

400

400

400

400

400