Thiamine disulfide

Testing Items

REFERENCE

Test Result  

Description

White or pale yellow powder

White powder

Identification

a) When the solution is acidic, the fluorescence disappears;when the solution is alkaline, the fluorescence reappears. After heating, the color of the solution changed to a blackish brown, forming a blackish brown precipitate.

Positive

Clarity of solution

Clear

Clear

Chloride

<0.053%

<0.053%

Thiamine

<0.5%

0.05%

Water content

<10.0%

8.2%

Sulfate

<0.011%

<0.011%

Nitrate

No dark brown rings should form at the contact interface

Positive

Heavy metals

<20ppm

<20ppm

Arsenic

<2ppm

<2ppm

Residue on ignition

<0.5%

0.03%

Assay

98.0%~102.0%

99.8%

We certify that the quality of this product conforms to the clientele's specification.