Glossary entry (derived from question below)
Mar 23, 2004 01:47
20 yrs ago
Chinese term
Accurate -- Reliable -- Fast
Native in: Chinese 
Works in: English to Chinese, Chinese to English, German to Chinese, and 3 more.
单项杂质
Chinese to English
Tech/Engineering
Chemistry; Chem Sci/Eng
Context:
1-甲基咪唑
1-methylimidazole
1.分子式(Molecular formula):C4H6N2
2.结构式(Structural formula):
3.CA号:616-47-7
3.规格(Specifications)
外观(Description) Colorless transparent liquid
含量（Content） ≥99%
沸点 Boiling Point（℃） 198(94℃/12mmHg)
水份（Moisture） ≤0.5%
比重 (Density) 0.945
重金属（Heavy Metals）as Pb ≤0.02%
氯离子（Cl Ion） ≤30PPM
硫酸盐（Vitriol） ≤0.2%
单项杂质 ≤0.5%
Thank YOU!!!
1-甲基咪唑
1-methylimidazole
1.分子式(Molecular formula):C4H6N2
2.结构式(Structural formula):
3.CA号:616-47-7
3.规格(Specifications)
外观(Description) Colorless transparent liquid
含量（Content） ≥99%
沸点 Boiling Point（℃） 198(94℃/12mmHg)
水份（Moisture） ≤0.5%
比重 (Density) 0.945
重金属（Heavy Metals）as Pb ≤0.02%
氯离子（Cl Ion） ≤30PPM
硫酸盐（Vitriol） ≤0.2%
单项杂质 ≤0.5%
Thank YOU!!!
Proposed translations
(English)
| 5 | Any individual impurity |
ysun
|
| 4 +1 | single impurity |
maxzhy
|
Proposed translations
1 day 5 hrs
Chinese term (edited):
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Selected
Any individual impurity
所谓单项杂质是指各种杂质中的任何一项。“单项杂质≤0.5%”的意思就是任何一项杂质的含量均不准超过0.5%。但这并不排斥所有杂质含量的总和有可能会超过0.5%。以下网站中的Fe、Si、Ni等就是单项杂质：
http://www.113.com.cn/images/cptplj-meiding.htm
http://www.113.com.cn/images/cptplj-meiding.htm
4 KudoZ points awarded for this answer.
Comment: "Thank you both very much!!! Mr. sun's explanation has dispelled my doubts totally! I really learned things from you!"
+1
34 mins
Chinese term (edited):
��������
single impurity
上海康鸣高科技有限公司--莫达非尼，美洛昔康 ...
... Specification］：, Enterprise's index. ［Appearance］：, A white to off-white crystalline
powder. ［Melting point］：, 136-140℃. ［Water］：, ≤0.5%. ［Single Impurity］：,
≤0.1%. ［Assay］：, ≥99%. ［Use］：, Nefazodone. Active Pharmaceutical Ingredients（APIs）. ...
www.comingsh.com/show2.asp?hm=976
... Specification］：, Enterprise's index. ［Appearance］：, A white to off-white crystalline
powder. ［Melting point］：, 136-140℃. ［Water］：, ≤0.5%. ［Single Impurity］：,
≤0.1%. ［Assay］：, ≥99%. ［Use］：, Nefazodone. Active Pharmaceutical Ingredients（APIs）. ...
www.comingsh.com/show2.asp?hm=976
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