Dear All Hello I would appreciate if anyone tells me how the mobile phase for ionic compounds is selected in chromatograophy? looking forward to hearing from...
Dear members of this forum, I need your help in order to get an important article for me in order to improve an study of dissolution of a new drug. The article...
tequila2@...
Aug 1, 2005 1:04 pm
2123
Dear members of this forum, Thanks for the article requested for me as always I need your help. I get it in less than one hour Diego Delmonte...
tequila2@...
Aug 1, 2005 2:32 pm
2124
We are working on a very exciting sales position with a niche leader in the Chromatography space. If you know of someone in the Mid-Atlantic or Northeast...
Thursday, July 21, 2005, 10:19:27 PM, you wrote:
b> Dear All, does anyone know of a method for quantifying citric acid?
Ion Exchange Chromatpgraphy
Ion...
Dear members, Does anyone have a suggestion of a HPLC method for gramicidin? Regards, Lucia ... Yahoo! Acesso Grátis: Internet rápida e grátis. Instale o...
Dear members, Does anyone have a suggestion of an HPLC method for gramicidin assay in ointments and creams? I was trying to develop it as per USP 28 but I'm...
A Carbowax seperates by polarity at not by molecular size. For Example Methanol eludes a good time after Hexane. The seperation of modecurlar size in GC...
michael.felke@...
Aug 2, 2005 8:23 am
2129
dear members of the list, what I want to know is the specifications of any column which is used to detect sugar in honey such as fructose glucose maltose etc. ...
Have you called the column manufacturer to get the information? I think that they would have the information or could give you a reference that talks about...
Dear "Chrom-L" chromatographers, I have Turbochrome 4.1 software working with PE Nelson 950A interface. This interface uses a GPIB connection and the PC has a...
Antonije Onjia
ONJIA@...
Aug 3, 2005 6:32 pm
2132
Dear All, I"m physicist, PhD student in Romania in polymer physics field (polar polymers characterization by physical chemical methods-GPC) Since I have to...
Dear Friends I need you opinion about a (weird) idea that was proposed yesterday. This person would like to buy a "hydrogen generator" instead compressed gas...
Dear Arthur, although I haven't tested these devices (hydrogen generators) myself I would consider this as one option if I had to plan a new GC lab. On the ...
matthias.kummer@...
Aug 5, 2005 9:20 am
2135
This does not sound as a weird idea at all. Hydrogen generator are safe, while gas cylinders are very delicate since hydrogen is dangerous. We bought it for...
Valentina Lonzarich
valentina13@...
Aug 5, 2005 11:55 am
2136
Dear All, I want to know ; (1) what is the state-of -the art in Cappillary GC and HPLC techniques significat to chemical industry. (2) Reference...
Dear members of this forum, I would like to exchange information with people who work with Karl Fisher titrators and know the model DL38 y DL 31 from Mettler -...
Diego Delmonte
tequila2@...
Aug 7, 2005 10:12 pm
2138
Kia Ora Arthur Hydrogen generators are an excellent idea, if still a little expensive. I installed my first ones in a lab in the mid 1970's and they worked...
The best place to look is the following home pages: Waters, Agilent, Restek, Supelco, Phenomenex, and any of the other company that sells chromatographic...
Michael and Paula Shi...
shiffty@...
Aug 9, 2005 10:25 am
2140
Hello all. This is a bit off topic, but thought some people on this list may be able to help me out. I have been a part of this group for several years now,...
Hi Antonije, The PE Nelson 941 interface has RS-232 instead of GPIB. A GPIB card is therefore not necessary for this interface. ciao Martina ... From:...
Oefelein, Martina
Martina.Oefelein@...
Aug 19, 2005 10:14 am
2142
Hi I have been working on the HPLC unit in the laboratory of veterinary dep. but unfortunatly i don't have solid and comprehensive information about it. I...
Hi All, This is Naresh a Chemical engineering graduate student. Right now, I am trying to analyse sugars and alcohol for which i am using RI detector with an ...
Dear Sir, In this group, there is no database about member's info. Don't you want it to be shared or any other spl. reason. Pls. don't mistook me if my ...
Hi group, networking to find 4 Field Service Engineers for either East or West Coast locations. Please tell your friends, colleagues or associates! cheers, Stu...
Hello, does anyone have some good procedures for shutting down, decontaminating and storing HPLC's and mass specs? any help would be appreciated regards Martin...
Dear Martin, below you find the procedure I use to clean a HPLC. If it works for a mass spec depends on whether it tolerates the nitric acid. For storage I...
matthias.kummer@...
Sep 7, 2005 8:50 am
2149
Dear members of the list, Does anyone know the methods or recent searches about adulteration of food suchas honey olive oil, etc. in means of mass spectrometry...
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