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[求助]
哪位高人能帮我翻译一段关于日本药典关于氮测定法的文字~~~
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4. ?????? ?e??????????ΤΤ?????Τη??????? ????(N??14.01)2??3mg???????????????????????? ???????????_????????????`???饹??A??????????????M??????????饹??????????????????????? ???????z????????饹??????????????7mL?????? ?Τ????饹???????????????飬?^?????(30)1mL?? ???????????????????????????饹?????????? ?????????饹???????????????????????????? ?????????U???r????v???????????饹????????? ??????J???????????????????????????????? ?????^?????(30)???????????????????????? 20mL????????????????????? ?Τ????饹??????餫???????????????????????? ??(??1.08??1)???B?Y????????K??????????(1??25)15mL ???????????`????`??・??????????3?Τ???? ?m????????????????J??????????????????F???? ????????????(2??5)30mL????????????10mL ??????z?????????????????????G?Υ???????????]???? ??????????????80??100mL???????????????????J ????????椫???x???????????????β????????z??? 0.005mol/L?????ζ???2.50???????????????ζ??νK???? ?ξv???????????U??????????ˉ????????????? ?η????????Y???Ф????a?????? 0.005mol/L????1mL??0.1401mg N ????????????????????????????????β?????????? ???????????????????Ф??? ??????????????????????????д????????????~~~лл??~~ |
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【答案】应助回帖
★ ★ ★
古可ぷ(金币+3): 谢谢应助，不过应该是翻译为中文吧，直接翻译成英语，厉害 2011-08-02 12:39:37
4635465(金币+2): 2011-09-08 14:23:10
古可ぷ(金币+3): 谢谢应助，不过应该是翻译为中文吧，直接翻译成英语，厉害 2011-08-02 12:39:37
4635465(金币+2): 2011-09-08 14:23:10
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1. Add the sample (2 to 3 mg as Nitrogen) into Kjeldahl flask(A) 2. Also add 分解促進剤 to (A) 3. Some amount of sample adhere to the neck of flask, so wash by small amount water. 4. Add 7 mL of 硫酸 to (A) 5. Mix and add 1 mL of H2O2(過酸化水素) to (A) quietly. 6. Heat (A) gradually. 硫酸 change from gas to solution on the neck of (A) is good condition. 7. The solution which is in (A) change color from blue to green, and (A)里边没有 carbon, then stop heating. 8. Add small amount of H2O2 to (A), and heat again. 9. After stop heating, add 20mL of water to (A) to cool. 10. Equip 蒸留装置(図1.08－1) with another flask. * 蒸留装置(図1.08－1) need to wash by 水蒸気. 11. Add 15mL of Boric-acid solution(ホウ酸溶液(1→25)) to (K) 12. Add 3 drops of Bromocresol green, Methyl red solutions, and add water. 13. Immersed in this solution(12) the cooler bottom of the (J) 14. Add 30mL of NaOH(2→5) from Funnel(F), and wash by water. 15. Close pinch cock with rubber tube(G). 16. Distillate and get 80 to 100 mL of 留液. 17. Bottom of (J) take off from surface of the solution, and wash by small amount water bottom of (J). 18. Titrate by 0.005mol/L of 硫酸 <2.50> *change color green → light gray blue → Light gray red purple (this is end point of titration). 19. Conduct control test using same method. and calibrate the value of sample. 0.005mol/L硫酸1mL＝0.1401mg N |
2楼2011-08-02 11:36:18
3楼2011-08-03 08:20:16
4楼2011-08-04 14:09:26
古可ぷ
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5楼2011-09-06 09:49:21
