24小时热门版块排行榜    

查看: 1366  |  回复: 6

zwjzbx

金虫 (正式写手)

[求助] 谁有头孢美唑内酯(cefmetazole lactone)的结构式

谁有头孢美唑内酯(cefmetazole lactone)的结构式?
头孢美唑有关物质做液质大家都用什么液相条件啊?
回复此楼
锻炼自己,不断成长!
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

ycy2008

铜虫 (初入文坛)

【答案】应助回帖

感谢参与,应助指数 +1
去scifinder上面看看就知道了,很多东西还是需要亲自做才行
2楼2012-03-29 11:09:58
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

yamaqiao

银虫 (小有名气)

感谢参与,应助指数 +1
lk590: 应助指数-1, 无意义,属于交流 2012-03-29 16:09:21
这位朋友是做头孢美唑钠?呵呵呵。
我不是因你而来到这个世界,却是因为你而眷恋这个世界。
3楼2012-03-29 11:37:17
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

zwjzbx

金虫 (正式写手)

引用回帖:
3楼: Originally posted by yamaqiao at 2012-03-29 11:37:17:
这位朋友是做头孢美唑钠?呵呵呵。

是啊, 你也做过? 留个QQ号吧
锻炼自己,不断成长!
4楼2012-03-29 11:41:37
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

zwjzbx

金虫 (正式写手)

引用回帖:
2楼: Originally posted by ycy2008 at 2012-03-29 11:09:58:
去scifinder上面看看就知道了,很多东西还是需要亲自做才行

嗯 谢谢 我试试看
锻炼自己,不断成长!
5楼2012-03-29 11:41:53
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

zwjzbx

金虫 (正式写手)

引用回帖:
2楼: Originally posted by ycy2008 at 2012-03-29 11:09:58:
去scifinder上面看看就知道了,很多东西还是需要亲自做才行

哥们 你那那边能查不 帮我查一下试试呗
锻炼自己,不断成长!
6楼2012-03-29 11:43:47
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

痴夷子皮

版主 (文坛精英)

老痞

优秀版主优秀版主

【答案】应助回帖

★ ★ ★
感谢参与,应助指数 +1
lk590: 金币+1, 谢谢参与 2012-03-29 16:09:46
zwjzbx: 金币+2, ★有帮助, 谢谢 这个条件我有啊 液质不能用磷酸二氢铵啊 2012-03-29 18:56:26
JP16液相方法
Detector: An ultraviolet absorption photometer (wave-
length: 214 nm).
Column: A stainless steel column 4.6 mm in inside diame-
ter and 25 cm in length, packed with octadecylsilanized silica
gel for liquid chromatography (5 mm in particle diameter).
Column temperature: A constant temperature of about
25℃
Mobile phase: Dissolve 5.75 g of ammonium dihydrogen-
phosphate in 700 mL of water, add 280 mL of methanol, 20
mL of tetrahydrofuran and 3.2 mL of 40% tetrabutylammo-
nium hydroxide TS, and adjust to pH 4.5 with phosphoric
acid.
Flow rate: Adjust the flow rate so that the retention time
of cefmetazole is about 8 minutes.
System suitability
System performance: When the procedure is run with 10
mL of the standard solution under the above operating con-
ditions, cefmetazole and the internal standard are eluted in
this order with the resolution between these peaks being not
less than 10.
System repeatability: When the test is repeated 5 times
with 10 mL of the standard solution under the above operat-
ing conditions, the relative standard deviation of the ratios
of the peak area of cefmetazole to that of the internal stand-
ard is not more than 2.0%.
守候在风中的宁静。
7楼2012-03-29 16:06:14
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 学员xTs5T2 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[公派出国] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +5 1uaZt2kAZj2S 2026-10-31 7/350 2026-11-01 16:58 by BCdvBAEpt3zm
[论文投稿] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +3 1uaZt2kAZj2S 2026-10-30 13/650 2026-11-01 16:45 by BCdvBAEpt3zm
[硕博家园] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +3 1uaZt2kAZj2S 2026-10-30 14/700 2026-11-01 16:45 by BCdvBAEpt3zm
[硕博家园] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +5 X5bHxOULxFqb 2026-10-30 14/700 2026-11-01 16:32 by BCdvBAEpt3zm
[基金申请] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +3 hKe7U1kad5Sg 2026-10-31 7/350 2026-11-01 15:04 by BCdvBAEpt3zm
[硕博家园] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +3 xvJS1BYDxvBS 2026-10-31 6/300 2026-11-01 15:01 by BCdvBAEpt3zm
[找工作] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +4 1uaZt2kAZj2S 2026-10-31 8/400 2026-11-01 14:48 by BCdvBAEpt3zm
[考研] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +4 1uaZt2kAZj2S 2026-10-30 13/650 2026-11-01 14:37 by BCdvBAEpt3zm
[找工作] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +3 1uaZt2kAZj2S 2026-10-30 10/500 2026-11-01 14:35 by BCdvBAEpt3zm
[考博] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +3 xvJS1BYDxvBS 2026-10-31 6/300 2026-11-01 12:53 by BCdvBAEpt3zm
[考研] 售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急 +3 xvJS1BYDxvBS 2026-10-31 5/250 2026-11-01 12:51 by BCdvBAEpt3zm
[公派出国] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 +4 1uaZt2kAZj2S 2026-10-31 7/350 2026-11-01 12:40 by BCdvBAEpt3zm
[考研] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +4 1uaZt2kAZj2S 2026-10-31 8/400 2026-11-01 12:38 by BCdvBAEpt3zm
[考博] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 +3 1uaZt2kAZj2S 2026-10-30 10/500 2026-11-01 12:27 by BCdvBAEpt3zm
[公派出国] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +3 1uaZt2kAZj2S 2026-10-30 7/350 2026-11-01 12:27 by BCdvBAEpt3zm
[硕博家园] 售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急 +4 1uaZt2kAZj2S 2026-10-30 17/850 2026-11-01 12:24 by BCdvBAEpt3zm
[基金申请] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +4 1uaZt2kAZj2S 2026-10-30 11/550 2026-11-01 12:24 by BCdvBAEpt3zm
[考研] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +3 1uaZt2kAZj2S 2026-10-30 16/800 2026-11-01 12:14 by BCdvBAEpt3zm
[考博] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +4 1uaZt2kAZj2S 2026-10-30 16/800 2026-11-01 10:27 by BCdvBAEpt3zm
[论文投稿] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +5 X5bHxOULxFqb 2026-10-30 26/1300 2026-11-01 10:22 by BCdvBAEpt3zm
信息提示
请填处理意见