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Methylglucamine

Item of analysis

Standard

Appearance

White to crystalline powder

Meliting point

128-132

Residue on ignition

≤0.1%

         Loss on drying

≤0.5%

Content

≥99.0%

      Specific optical rotation

-15.5o ~­­-17.5o

Heavy metals

≤10ppm

  Absence of   reducing substance

Blue dont change to red

Clarity of the solution

Clear and colourless solution

Ultraviolet absorbancy degree

≤0.03%

Readily carbonizable substance

NO deeper than the orange red no.2

Nickel

≤5ppm

QQ图片20201016092626.jpg

 

 

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