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Messages 5625 - 5657 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
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5625
i have trouble in find a good way to analysis the concentration of triethylborane! can you give me answer...
gosnaliuyong
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May 1, 2004
1:50 pm
5626
hey cluster chemist;i want a article about "tetrahydroindoles as drug substance" from TETRAHEDRON,JOURNAL OF ORNANIC CHEMISTRY...please send me if you can find...
ahmet hamdi
ahmet8210
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May 1, 2004
5:39 pm
5627
... How about gas chromatography? (C2H5)3B has boiling point 95C. So you should be able to find its concentration in tetrahydrofuran or hexane solution....
Steve
steve_geo1
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May 1, 2004
5:54 pm
5628
... drug substance" from TETRAHEDRON,JOURNAL OF ORNANIC CHEMISTRY...please send me if you can find as soon as possible...thanks...take care... Hi Ahmet: Can...
Steve
steve_geo1
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May 1, 2004
5:57 pm
5629
Dear John W, Thanks for your reply on the water problem. Now I have another thing s that need your help. I have one whith powder sample, need to identified...
Kevin Lee
kevin77_jb
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May 1, 2004
6:26 pm
5630
If you want to test the white powder sample non-destructively, the best way to distinguish between NaCl and (anhydrous?) Na2SO4 would be by X-ray...
JohnWW
johnwwxtraconz
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May 1, 2004
8:19 pm
5631
If you had a calibrated set of standards giving absorption or resonance peaks of known heights for known concentrations, other possibilities would be IR...
JohnWW
johnwwxtraconz
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May 1, 2004
8:19 pm
5634
There are more people in the US, so if the death rates were the same, there would be more deaths in the US. Population of South Africa is 42,768,678 Population...
Nathan Haese
nathanhaese
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May 2, 2004
7:14 pm
5635
ADVERTISEMENT I know that we have a larger population than Africa approximately 6.6 % greater, But wouldnt you think that our technology and resources would be...
Donna
kevysmom04
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May 2, 2004
7:17 pm
5636
Dear Friends: Please read messages 5634 and 5635 concerning infant mortality rates. Should this kind of post be allowed in a spirit of broad-mindedness, or...
Steve
steve_geo1
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May 2, 2004
8:24 pm
5637
... of ... While the post might be interesting, it should not be here because if has nothing to do with chemistry, not even remotely, unless it was started...
pollywog001
Offline
May 2, 2004
8:43 pm
5638
Steve and Polly, Good question. Donna has posted here before, with concerns about mercury in vaccines. There was a chemical basis for her original posts....
Nathan Haese
nathanhaese
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May 2, 2004
9:10 pm
5639
... well.. i do have a corner for the humanity .. but still feel that these messages should be removed because i dont see any point to dilute the messages of...
rajesh1977
Offline
May 3, 2004
5:31 am
5640
Post your ideas and we'll talk about them. We do anything Chemistry! This is written on the home page of "thechemistrycluster". Mercury in the vaccines is...
Donna
kevysmom04
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May 3, 2004
11:32 am
5641
anyone who can help me, would be appreciated. just need the urls......
carlzishere
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May 4, 2004
12:04 am
5642
I honestly don't mind "off topic" messages that are at least scientifically related. Health problems are close enough in my mind since many Organic chemists...
joecsg
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May 4, 2004
3:13 am
5643
Dear my masters Thanks for your answer. At the first I want to determinate Boron in ferroBoron with ASTM document. And I give good results with some changes...
m_ayaz2005
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May 4, 2004
4:54 am
5644
Dear Friends: I am entering the cluster gat room for the weekly chat. Last week, I somehow could not get in. Wish us all luck....
Steve
steve_geo1
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May 4, 2004
11:14 pm
5645
Steve, I see you in the window on the right, but your status indicates that you are unavailable. (From Yahoo Help: The yellow face with the red circle in...
Nathan Haese
nathanhaese
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May 5, 2004
12:01 am
5646
Br-N-Br is going to be less than 109 degrees since the NBr3 is likley trigonal pyramidal due to the lone pair. Besides with the rich electron desnity on the...
ag-au
agaubrla
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May 5, 2004
2:19 am
5647
Anyone here know: What factors influence the refractive index of aqueous solutions? What is the theoretical connection between atomic, electronic, molecular...
rkdurbin
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May 5, 2004
2:17 pm
5648
... ******** My opinion : All of us ARE interested in many areas apart from Chemistry. But first we've to be clear about the objective of the group. This is a...
Suman Chakrabarty
suman_chakra...
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May 5, 2004
7:54 pm
5649
Could one of you explain this to me in simple terms that I would understand. Thanks, Donna The effect of thimerosal, an organomercurial preservative in ...
Donna
kevysmom04
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May 5, 2004
8:01 pm
5651
The thimerosal is an organic substance , and they were trying to study it’s effect on the cerebellar neurons { which is neurons in the brain } which have...
MOHAMMED MOHSEN
mohammed_2036
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May 6, 2004
11:14 am
5652
Thank you Mohammed.. Is it saying that Thimerosal and methlymercury have the same effect on brain cells?? Donna ... to study it's effect on the cerebellar...
Donna
kevysmom04
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May 6, 2004
1:12 pm
5653
It's all right there is no need for thanking , AND it is just as you understand , meaning that the Thimerosal and methlymercury have the same effect on brasin...
MOHAMMED MOHSEN
mohammed_2036
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May 6, 2004
9:13 pm
5654
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the thechemistrycluster group. File :...
thechemistrycluster@y...
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May 6, 2004
11:21 pm
5655
Re: Quantum computers..32...doesn't it relate directly to the maximum number of electrons in an energy level (after the fourth)..and therefore 32 different ...
CindyMcWilliams@...
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May 7, 2004
1:22 am
5656
Off topic posts "suck anal canal water"..as a student once wrote in a textbook about the topic of orbital diagrams... [Non-text portions of this message have...
CindyMcWilliams@...
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May 7, 2004
1:24 am
5657
what are poling, coupling, bassemerization and puddling processes?...
ADITYA
aditsvg
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May 7, 2004
7:33 pm
Messages 5625 - 5657 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
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