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Methyldopa      Methyldopa

Item Code:Methyldopa Features:
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  • Description
Specification Sheet

Product
Methyldopa
Standard
EP6
Shelf life
3 years
Items
Specifications
 
 
Appearance
White or yellowish white crystalline powder
Identification
Meets the requirements
Appearance of solution
Not more colored than BY6 or B6
Acidity (0.1M NaOH)
Not more than 0.5ml/g
Optical rotation
-1.10°~-1.23°
A (1%, 1cm)
122~137
Heavy metals
Not more than 20ppm(Pb)
Water
10.0%~13.0%
Sulphated ash
Not more than 0.1%
Residual solvents
Below LOD
Partical Size
Not less than 90% pass through 180um sieve
Assay
98.5%~101.0%

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