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£2019-04-18 22:41:49      431
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Ʒ

һƷ

1ƷƣD-ɫᡢ
2ʽC11H12N2O2
3ӢƣD-Tryptophan

4CAS NO73-22-3
5Ʒʣ

ƷΪɫɫ΢ɫĽᾧԷĩ޳΢-L-пζDL-D-ζ289Cֽ⣬ˮ΢ܣҴϡϡܽ⣬ʱɫˮȲᣬơͭ¼ȣᣬڰȽȶᡢࡢȩ๲ʱ׷ֽ⡣ 

Ʒ;
ɫӻᣬһҪ백ᣬ㷺ӦҽҩʳƷҪ;
1ڰҺۺϰƼ
2иӪ׶̷ۣ
3ȱ֢Ƥҩ
4Ϊҩھɡ˯ߣ
5ΪʳƷӼ-
6ںϳ5-ǻɫ԰׽𣩡

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  Ŀ Item

׼ Standard

Identification

Infrared Absorption

 

Description

White to slightly yellowish-white crystals or crystalline powder

[]25D

 Specific rotation

-29.4㡫-32.8

4 Ȼ

  Chloride

0.05

5 

  Iron

30ppm

  Sulfate

0.03

ؽ

  Heavy metals

15ppm

8 ʧ

   Loss on drying

0. 3

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   Residue on ignition

0. 10

10 

  Assay

98.5101.5

11 л

  Organic volatile impurities

Meets the requirement

12 PH

5.5~7.0



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