Item

Specifications

Results

Description

White   crystal, soluble in water and alcohol

White   crystal

Appearance

Clear   and colorless(35%in water)

Pass   test

Content

≥99.5%

99.68%

NH4CI

≤0.2%

0.09%

Water   content

≤0.3%

0.23%

Ash

≤0.1%

0.071%

Solubility   test(in water)

Passes   test

Pass   test

Melting   point

118~121℃

119.2℃

PH(11.8%   in water)

5~7

6.5

A(280nm)35%   in water

≤0.4

0.192

A(260nm)   55% in water

≤0.2

0.059

Iron(Fe)

≤0.1ppm

Pass   test

Conclusion

The   results conforms with enterprise standards