Hi All, Does anyone know how to make a Cesium Chloride buffer? My specs are CsCl - 10 mM, 140 mM NaCl and pH 7.0. I want to use it as a running buffer for my...
... Well, CsCl/NaCl is not a pH buffer, if your pH is not ~7 after adding those salts to water, something is wrong. If you need pH buffering you should base ...
Hans W. Mueller
Hans.W.Mueller@...
Jan 7, 2005 10:03 am
2037
Hello Parag, PS> Does anyone know how to make a Cesium Chloride buffer? My specs are PS> CsCl - 10 mM, 140 mM NaCl and pH 7.0. I want to use it as a running ...
Can anyone suggest a column and gradient for the reveresed phase HPLC analysis of methyl methacrylate oligomers up to moleular weight 3000. Tried using a 50mm...
Dear members of this list, I need your help in order to get an article from the Journal of Pharmaceutical and Biomedical Analysis. This is important for me...
tequila2@...
Jan 25, 2005 9:51 am
2042
Dear everyone, I used a Shimadzu HPLC instrument until I got a problem recently. I found a displayed message " leakage error" on my pump system during I'm...
Irawan W. Kusuma
kusuma_iw@...
Feb 1, 2005 1:22 pm
2043
I am assisting to recruit a Quality Control Scientist for a biochemical company located in Torrance, California. COMPANY: They are an international,...
Thanks for suggestion and opinion. I'll check again and try to follow your suggestions. Additionally, I used two different columns and even only using MeOH for...
Irawan W. Kusuma
kusuma_iw@...
Feb 2, 2005 11:35 am
2045
I need some ideas to a m/z 146.9 that I got from APCI MS/MS....As I'm not the owner of the equipment I can't do the MS/MS of this peak at the moment... It's...
Dear chrom-l members, I have interst in palm oil research. Would you mind to help me looking for some information or journal related to this research ?.... ...
Dear All, I was wondering if anyone could walk me through the steps to validate an HPLC method. What characteristics have to be met in order to deem a method...
You could visit the ICH website (www.ich.org) and FDA (www.fda.org) and download the protocols and instructions about the validation of chromatographic...
Does anyone have any experiences on running BSA through an anionic-exchange column of HPLC? Or do you know what kind of buffer should be used?? Thank you so...
Dear chrom-l members, I have interst in palm oil research. I have trouble in analysis of some compounds contained in its palm oil. Would you mind to help me...
Do you have some review or paper (in pdf or doc) about APCI technique ? I'm a doctorate student from Brazil and I've done some analysis in a micromass APCI...
dear members of the list, ý have some problem about vitamin detection in feed and food samples and looking for an lc-/ms/ms method for my matrice if any of...
Hi All, I am looking for to draft HPLC pre-run and post run criteria.I need input about what to include and how much to include? For example, Instrument...
Hello, guys....Does anyone has Shimadzu SPD M10A-VP database with UV spectra from flavonoids or something ? It's part from Shimadzu HPLC systems......I have...
Need UV spectra database ! Hello, guys. I´m Roberto Chang, doctorate student and teacher at Brazil at Uberlandia Federal University...I study propolis (bee...
Just to tell you that changuinho2000 and chang are the same person (Prof. Roberto Chang from Brazil), but using different email addresses....I will atend in...
I can only help with regards to caffeic acid. Here's the UV spectrum I obtained for caffeic acid as the product of alkaline hydrolysis of chlorogenic acid: ...
I dont know if I'm not receiving the messages or it is just cause nobody is answering the messages ? Please post your doubts and thoughts....that's why groups...
Dear members of this forum, I need your help in order to get two articles will be very important for my work because I have to start to validate any techniques...
tequila2@...
Apr 8, 2005 12:34 pm
2061
Can any body help in estimation of 2- deoxy glucose (assay and related subtances ) by reverse phase chomatography. srinivas Yahoo! India Matrimony: Find your...
I know that TMS artifacts occur at m/z 205 due to re-arrangement of 3 close TMS groups (generally in sugars), however, I can´t find the reference where I read...
Dear Friends I also need info abot an UV-Vis Spectral Data Library, and it must be printed. I´ll be gratefull for help. Thanks in Advance, Arthur Nascimento...
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