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Messages 274 - 303 of 417   Oldest  |  < Older  |  Newer >  |  Newest
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274
Dear Members This is to introduce to the chemistry community "Analytical Chemistry Web Resources (with Chemistry in Africa)", with a theme to assist libraries...
ghirma2001
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Jul 1, 2002
11:36 am
275
dear sir/madam i am looking for a method for determination rate of rxn malachite(Cu2CO3OH)WITH H2SO4.this rxn is very fast becouse of OH and CO3 groups.please...
hamid james
hamidchar
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Jul 14, 2002
2:57 pm
276
... you ... Please tell me what type of amine and what type of column ur using at the moment and if u have any problem let me know Muhammad Nadeem...
nadeemqadri
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Aug 2, 2002
1:35 pm
277
Hi Please , does somebody help me with information, articles or papers about Diethyl alkylamines and their colorimetric or TLC determination. Thanks in advance...
scientia2002br
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Aug 6, 2002
10:18 pm
278
Please send me ur question i would try to help u at my earliest ... Do You Yahoo!? Yahoo! Health - Feel better, live better [Non-text portions of this message...
Dr. Muhammad Nadeem
nadeemqadri
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Aug 7, 2002
1:21 am
279
HCl(aq) + Ca(OH)2(aq) -------> ???? Thats all I need to know. Thanks...
lunaartimus
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Aug 7, 2002
1:43 pm
280
I think following is ur answer HCl(aq) + Ca(OH)2(aq) -------> CaCl2 and H2O but it would be very slow b/c Ca(OH)2 is very week base. ... Do You Yahoo!? Yahoo!...
Dr. Muhammad Nadeem
nadeemqadri
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Aug 8, 2002
1:17 am
281
... I don't think that reaction will be "very slow because Ca(OH)2 is a weak base." If you write the net ionic equation for that reaction, it will 'point' to...
dsbsci
Online Now
Aug 8, 2002
11:43 am
282
dear colleague; how much is pK constant of 2-amino-4,6-dihidroxypyrimidine ? or how do i find it. you would like send me if you have documents or information...
sonercubuk
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Aug 31, 2002
10:06 pm
283
Visit CE Exchange at www.ceexchange.com, a new discussion forum for all electrophoresis-related analytical techniques (CE, MEKC, gel, CEC, etc) The site also...
ghyne2001
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Sep 2, 2002
2:30 am
284
This has to do with Significant Digits..... On a certain planet in the known universe, an interplanetary explorer known as Dweezledub lands his planet cruiser....
lunaartimus
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Sep 2, 2002
2:16 pm
285
... START OF MESSAGE How about the CRC Handbook? Do you want the pKb? END OF MESSAGE...
octanediol
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Sep 7, 2002
12:27 pm
286
I'll take a stab at it. Dweezledub has 12 mugwamps = 2 glops 2 glops = (2/3)*5 fots = 3 1/3 fots 3 1/3 fots = (3 1/3)*4 tuttles = 13 1/3 tuttles 13 1/3 tuttles...
res1due
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Sep 12, 2002
1:44 pm
287
... how...
tarekseaf
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Sep 14, 2002
6:49 pm
288
i have not crc handbook. for this reason would like send me information at the crc handbook about 2-amino-4,6- dihidroxypyrimidine. thank you....
sonercubuk
Offline
Sep 16, 2002
7:36 pm
289
2-Amino-4,6 Dihydroxypyrimidine CAS [56-09-7] MW : 127,10 MP . 300șC Beilstein 24,468 FT-IR 1(2)828 d ________________________________________________ Don't...
Arthur Nascimento Jun...
scientia2002br
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Sep 17, 2002
12:57 pm
290
Hi everybody I'd appreciate a TLC technique for resolving methyl pentanol isomers mixtures, with/without derivating (3,5 Dinitro benzoyl) LC or GC are...
Arthur Nascimento Jun...
scientia2002br
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Sep 17, 2002
1:02 pm
291
Hello Chemists! If anybody is interested in this opportunity - please email me your resume. Thanks! AG. EDUCATION/EXPERIENCE: Prefers a BS in Chemistry or...
amegadsby2001
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Oct 3, 2002
2:43 pm
292
i would like to know the pka values of the following compounds- dimethylbenzidine, dimethoxy benzidine, and dichlorobenzidine. I have referred CRC handbook...
bmalayapppan
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Oct 21, 2002
1:36 pm
293
Hi All I would like to know more info about the composition of the Fluorescent Indicators ( 290nm-green and 360 nm-blue) for TLC, which are produced and sold...
Arthur Nascimento Jun...
scientia2002br
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Oct 23, 2002
1:43 am
294
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the analyticalchemistry group. File :...
analyticalchemistry@y...
Send Email
Oct 31, 2002
10:56 am
295
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the analyticalchemistry group. File :...
analyticalchemistry@y...
Send Email
Oct 31, 2002
10:57 am
296
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the analyticalchemistry group. File :...
analyticalchemistry@y...
Send Email
Oct 31, 2002
10:58 am
297
Please do not send your e-amil to me again. thank you nick analyticalchemistry@yahoogroups.com wrote: Hello, This email message is a notification to let you...
nick peng
peng1756
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Oct 31, 2002
5:39 pm
298
Job Title: Senior Scientist Reports To: Director/Manager/Group Leader Department: R&D - Formulations FLSA SUMMARY OF ESSENTIAL FUNCTIONS: This position...
idahoredfish
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Nov 21, 2002
4:53 pm
299
My name is liviu, i am 24 years old and i am a chemist. I live in Romania. I am interested in methods of separation and determination of vitamins in...
liviu_rus_1978 <liviu...
liviu_rus_1978
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Dec 11, 2002
6:40 pm
300
My name is liviu, i am 24 years old and i am a chemist. I live in Romania. I am interested in methods of separation and determination of vitamins in...
liviu_rus_1978 <liviu...
liviu_rus_1978
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Dec 11, 2002
6:53 pm
301
Dear, There r two types of vitamins, Water soluble and Fat soluble let me know in what type ur interested. Nadeem ... Do you Yahoo!? Yahoo! Mail Plus -...
Dr. Muhammad Nadeem
nadeemqadri
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Dec 13, 2002
12:13 am
302
Hi , my name is nick and I am chemist too. do you know sth about HPLC and FT-IR in drug? merry christmas. nick "liviu_rus_1978 <liviu_rus_1978@...>"...
nick peng
peng1756
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Dec 13, 2002
4:04 am
303
Of course i have in my lab An Waters Alliance HPLC and also an JASCO FT-IR but i want to try a UV-VIS method on a mixture of vitamins using matematical models....
liviu rus
liviu_rus_1978
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Dec 13, 2002
2:14 pm
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