chrom-L : Messages : 1487-1516 of 2316

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1487	Hi, I would recomend the US NIST library that comes on a compact disc. Check out ( http://webbook.nist.gov/chemistry ). You will have to work with your ...	shiffty@...	Feb 4, 2003 4:41 pm
1488	Medicinal Peptide Chemist SciGenium is searching for a Medicinal Peptide Chemist with 3 plus years of industrial experience. Responsibilities: a.. Utilization...	John Rynak jtrynak@...	Feb 4, 2003 5:13 pm
1489	Hi I'm looking for a method to analize alendronate sodium in tablets. I work with an agilent HPLC 1100 series, binary pump. I already tried a method from the...	alimareli <alimareli@... alimareli	Feb 7, 2003 2:44 pm
1490	Hi. I am interested in any available methods for alendronate as well. Please let me know what you find. Thanks, Karen ... From: alimareli...	Brazzillo, Karen kmolan@...	Feb 7, 2003 3:26 pm
1491	Never worked with the compound, but did you check USP? They might have the proper conditions. You might also want to carefully check the vendors method, at a...	Diego Zurbriggen Diego_Zurbriggen@...	Feb 11, 2003 11:24 am
1492	Dear Fellow Chromatographers ! I have a problem with my Chemstation-Software (from Agilent). Every once in a while I get an error message when I try to start...	matthias.kummer@...	Feb 11, 2003 1:08 pm
1493	Biotage Parallex Flex 4-column system Originally purchased June 2001 lists at $160,000 1 to 50mL/Min at 4,000 psig maximum pressure Low pressure binary...	Martin Steel Martin.Steel@...	Feb 11, 2003 6:33 pm
1494	Hi... I'm doing OTC active ingredient testing for my company and the major focus is on sunscreen actives. USP guidelines for the ingredients is to use a GC...	redzilla_74 <redzilla... redzilla_74	Feb 13, 2003 1:00 pm
1495	hi everybody i ve been recently joinned to this groupe. im master of chemical eng and working as sales eng in supplier of lab. instrument in middle east. i am...	Ali Karimi Sahari karimi_iran	Feb 13, 2003 1:01 pm
1496	Hi all Does anyone know wich solvent is good to dissolve poliamides???? Thanks for help Gilbert ===== GilbertoPadovan ...	Mr gilberto padovan gilbertopadovan	Feb 13, 2003 1:01 pm
1497	Hmmm... I have never transferred any methods between the two techniques. I assume that for a small percentage of compounds this is possible. The organizations...	Diego Zurbriggen Diego_Zurbriggen@...	Feb 14, 2003 4:58 pm
1498	Reversed phase HPLC with UV detection is a good way to assay for sunscreen actives in complex materials - I've been doing it for several years. Sample ...	juddman@... chrstopherjudd	Feb 14, 2003 4:59 pm
1499	Dear all, I have three compounds to separate by RP-HPLC. My first gradient is: starting with 50% ACN for 2 minutes, then ramp up to 55%ACN in 10 minutes. The...	lcms_question <lcms_q... lcms_question	Feb 17, 2003 11:51 am
1500	your three peaks are very close each other, which implies that an isocratic run would be better to improve the separation, the 30%- 60% gradient indeed run at...	Ziqiang Wang ziqiang@...	Feb 17, 2003 1:46 pm
1501	PerCeptive Integral 100Q, a Multidemensional Biospecific HPLC system. The system is an analytical / preparative liquid chromatography system capable of running...	Martin Steel Martin.Steel@...	Feb 18, 2003 3:19 pm
1502	Hi, Did you run the samples separately to ensure that you are obtaining a coelution? What are your analytes, and what aqueous phase are you using? What type ...	shiffty@...	Feb 20, 2003 11:13 am
1503	Hi, we made in our lab analysis of different pigments, and more specially chlorophyll a and b. Something strange happened : in fact, I didn't see those...	s_dugied <s_dugied@...> s_dugied	Feb 21, 2003 1:42 pm
1504	Please anybody can suggest the regeneration procedure for Sugar columns. The column is USP L19 column, with dimensions 250 X 4.0mm, 9 �m Calcium Ion exchange...	krishnamohanchvs@...	Feb 21, 2003 3:37 pm
1505	Dear colleagues, Have any of you had success in blending solvents, either by high pressure mixing from 2 HPLC pumps or proportioning via solenoid valves, to...	Tony Herlt herlt@...	Feb 22, 2003 8:29 am
1506	Dear members of this list, I need your help in getting some old articles which are very usefull for my academic work. The list is: Dedina J., Frech W.,...	DRDN tequila2@...	Feb 22, 2003 10:27 pm
1507	Hi, Flush your column with a solution of sodium calcium EDTA. I do not remember the concentration off the top of my head but you can check on the Waters...	shiffty@...	Feb 23, 2003 8:07 pm
1508	I would use a mixtures of water and acetonitrile. If you are working with salts then higher concentrations of water work well, if you are working with the...	The Shifflet's shiffty@...	Feb 23, 2003 8:14 pm
1509	Hi, I am new to group. Can some body recommend any good softwaer to write SOP, good class in tri state area. Thanks in advance. Tina ...	sms117@... TSOSMS	Feb 24, 2003 1:36 pm
1510	For what it's worth, I've never had any luck with it. I tried it once or twice just for laughs years ago and nothing came of it. Premixing the MP was the only...	Christopher Judd chrstopherjudd	Feb 24, 2003 1:37 pm
1511	Dear Forum members Can anybody suggest simple LC method for Zolodronic acid ? Thanks in advance Dipak Yahoo! Groups SponsorADVERTISEMENT ...	Dipak Saptarshi dips333	Feb 25, 2003 6:55 am
1512	What is Zolodronic Acid? Do you have a CAS# A search on Scifinder gave me 0 hits. Ihor Lukiw ... From: Dipak Saptarshi [mailto:dips333@...] Sent:...	Lukiw, Ihor ihorlukiw	Feb 25, 2003 3:07 pm
1513	Thanks for reply .It is in Merck Index CAS Registry number: [118072-93-8]; [165800-06-6] (Monohydrate) Regards Dipak "Lukiw, Ihor" <ihor.lukiw@...>...	Dipak Saptarshi dips333	Feb 26, 2003 6:48 am
1514	Thanks for reply.it is zoledronic acid. regards dipak Andy Penrose <andyp@...> wrote: Do you mean zoledronic acid?? ... From: "Lukiw, Ihor" ...	Dipak Saptarshi dips333	Feb 26, 2003 6:51 am
1515	I did a search in Scifinder. I got 156 hits for that CAS # but nothing when combining it with LC. Sorry Ihor Lukiw ... From: Dipak Saptarshi...	Lukiw, Ihor ihorlukiw	Feb 26, 2003 3:38 pm
1516	Hello Tina, to actually write SOPs I have never used any software other than my favorite word processor. I am not aware that there is any specific software ...	Diego Zurbriggen Diego_Zurbriggen@...	Mar 3, 2003 12:32 pm

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