CAS RN ：617-45-8

规格

                    DL-Aspartic Acid

 Item Standard 

Appearance White Crystalline Powder 

Solution in NaOH 10% Complete 

Transmittance ≤99.0 

Loss on drying ≤0.10 

Sulphuric Ashes ≤0.10 

Sulphates ≤100 PPM 

Ammonium(NH4) ≤200 PPM 

Chlorides (cl) ≤100 PPM 

Heavy Metals[Pb] ≤10 PPM 

AS ≤2 PPM 

FE ≤20 PPM 

Asparagine(TLC) ≤0.10 WT. 

Assay in Nitrogen 10.40-10.60% 

PH 2.8-3.0