Dear Friends, I was trying to do Milk fat in cookies and not successful and I would like to know is there any procedure for doing the Milk protein & Milk fat...
Can any body help me to know about 1) Void volume 2)dwell volume 3) dead volume and how to calculate it on particular system pratically [Non-text portions...
Dear All I want to read more about fractal calibration in SEC(GPC) but I need these papers: 1.Garcia-Lopera R, Irurzun I, Abad C, Campos A, Fractal calibration...
Dear Friends, Position 1: Vacancy for Analytical chemist, preferably M.SC/ M.S with experience in GC-MS is urgently needed for SGS, Gurgaon. Experience in PBB,...
Hi, Can anyone suggest a suitable method for hydrolysis and analysis of multiple amino acids using post column derivatization? Also suggest the stability of...
Dear All, I need a article that I can't access. Can someone send me? Rapid Commun Mass Spectrom. 1997;11(17):1835-8. Stable isotope ratio analysis of amino...
Dear members of this forum, I need help in order to get an article about care and maintenance of HPLC columns. The reference is: F.M. Rabel. Am. Lab. 12(1):81...
tequila2@...
Apr 4, 2006 1:06 pm
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DMPK Scientist - Vista, CA I am assisting to recruit a motivated individual to coordinate all DMPK efforts (including analysis of In-Vitro and In-Vivo DMPK...
Can someone tell me if the affirmation is correct ? "ESI and MALDI are not techniques that volatilize polar compounds" These are techniques of ionization, can...
Dear group, I need to analyze my drug product which contains Kollidon, a polymer, by HPLC/MS. Currently, I am using a C18 column and employing a gradient for...
Dear Members, I am performing method development for analytical HPLC analysis of a drug product solution that contains a polymer called Kollidon. I am ...
Hello All, We are in the process of purchasing an ICP-MS. But I am confused by all the technologies available in the market. Please suggest which technology is...
A size separation before the C-18 column will pull out the polymer and if backflushed to an analytical C-18 column you separation may be very fast. This is a...
You probably can find the information you need by searching the archives of the listserv below - http://listserv.syr.edu/archives/plasmachem-l.html ... From:...
Dear Sir/Madam, I am using GC/ECD, Chrompack,CP9001 to analayzing THMs in water samples. My sample preparation method is extraction. My column is "CP-SIL 8CB,...
Hi friends, I need your opinion about the LC/MS/MS of Applied Biosystems API 3200 and Thermofinnigan (Thermo electron corporation). Could you pls. give your...
Dear users, I've found that many people commonly backflush C18 and C8 columns in order to clean them. I've also heard from some that recommend avoiding this...
I am receiving mails from this group in digest form. I had received Digest 837 and above which means I had missed 836 digests with huge information. Can any...
Dear members of this forum, I am working with mebeverine in pharmaceutical tablets and I am very interesting in getting your work in raw materials and tablets...
tequila2@...
May 12, 2006 11:40 am
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Dear chrom-l members, I need some information how to identification glucose in strach solution by HPLC, such as suitable eluent, column, and other else, may be...
Hi all, I recently graduated from the University of Connecticut with a BS in Chemistry. I have a very strong analytical background with over 3 years...
hi friends any one can help How to Develop Gc Impurity profile method for Drug producuts in Formulations? can you give any example? can you explain what is the...
Couldn't this be done using 2,4-dinitrophenylhydrazine derivatization as is done with aldehydes? On a related note... Does anyone know of any methods where...
hi friends any one help me How to Develop GC Impurity pfofile method for Drug products in Formulations ? can you give one compound example? what is the Role of...
Hi, I'm PHD student and I need the fragmentation scheme of polystyrene. Please help me ... Blab-away for as little as 1¢/min. Make PC-to-Phone Calls using...
Production Chemist - Torrance, CA I am assisting to recruit Production Chemists (at all levels including management) for a biochemical company located in...
Dear members of this forum, I need your help in order to get information about technical specifications of two modeules of a Waters HPLC, these are: Pump 600 E...
tequila2@...
Jun 22, 2006 2:42 pm
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I am trying to analyze zoledronate in serum by derivatizing it to its ethyl ester and then analyzing by GC-MS,however,the internal standard used in the article...