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Personne àcontacter Ms. Shiela
N0.637 16th Bohai, Binzhou, Shandong
Testing Item Standard Rule Testing Result Melting point About **0℃ **1℃ PH 2.1~2.6 2.4 Clarity of solution Clear Pass Colour of solution ≤BY7 < BY7 Heavy metals ≤*0ppm <3ppm Specific optical rotation **0.5°- **1.5° **0.8° Assay *9.****0.5% *9.*6ï&frac*4;…