hi chemists i am carbon_od12 and make the biggest group in chemistry so now i invite all people who loves chemistry to join us jaberebnehayyan_group ...
... metacrylate)? ... precipitate, but when I want to filter it, the polymer dissolves quickly. Hopefully there is someone who can share how to precipitate it....
yes, it does. ptBMA dissolves well in THF, also in DMF. Do you have any idea how to precipitate it well? ... From: octanediol <no_reply@yahoogroups.com> To:...
... any idea how to precipitate it well? ... Have you thought about placing your solution into the refrigerator (or some other low temperature device)? ... ...
Hi, my question is more likely a biochemistry one ,& it's about the acidic hydrolysis of esters, esters are very common additives to most food products ,...
I think it may be that that the concentration of HCl in the stomach is sufficient to hydrolyse most proteins to amino-acids, and starches to soluble...
HI CHEMISTS WE HAD PERFORMED A NEW CHEMISTS GROUP THAT CALLED JABEREBNEHAYYANE GROUP HERE WE WANT TO SOLVE ALL OF YOUR PROBLEM IN CHEMISTRY SO NOW I INVITE YOU...
Hi Nesma, There are several important esters which are present in food. Most of the fat exists as phospholipids - 2 fatty acids connected to glycerol and...
The concentration of HCl in the stomach is very high. And it also hydrolysed the esters into alcohol, but one should remember alcohol is most soluble in water...
Hi, This is an invitation to join Sudoku World, which is a Yahoo based international meeting place for Sudoku addicts. Sudoku World was created on June, 25,...
Other posters have pointed out that the hydrolysis of esters in the body is to glycerol and fatty acids. Actually, hydrolysis of triglyceride esters is...
... Allright,but what about other esters,I mean artificial or synthetic esters that are used as artificial flavorings and fragrances ,these aren't long-chain...
Dear members Best regards I am anxious about the detecor of GC-MS. Everyone I asked to, replied that detector is FID. If FID is used it mens compound is lost...
Hi Abdul, The standard configuration of a GC-MS system only has the MS detector; although you can add a splitter and another detector (FID, TC, etc.) if you...
Thanks for replying me, but what do you mean by "The control computer is able to integrate" could you please explain it briefly as any layman can have idea...
Dear all, I was wondering if any one know a simple method for determination of ethanol in presence of phenol. shadeed Gad, Dept. of pharmaceutics and...
Hi Abdul, The GC/MS system is controlled by a computer to inject the sample (if you have an auto-injector), control the temperature profile of the GC oven, and...
Can anyone give me a list of colleges I can look into that have great science programs? I love anything in and of chemistry . I started my own personal...
... great science programs? I love anything in and of chemistry . I started my own personal research back in the ninth grade and now that I am ready for...
Thank you so much for the info, I greatly appreciate it!!!! sincerely-Victoria ... great science programs? I love anything in and of chemistry . I started my...
A cup of tea with milk,will it be causing kidney stones??? as tea contains oxalic acid,milk contains calcium ions,is the precipitation reaction of Ca(coo)2...
I find the chemistry involved with metabolism fascinating. You have inspired me to do some calculation. Firstly I would really like to know what the pH of tea...
I'm reposting this query since I haven't found an answer. I have many pounds of dry pigment that was purchased for use in a water-based (acrylic) medium that...
I was wondering if there is a simple method for determination of ethanol in presence of phenol. Regards, Shadeed ... You snooze, you lose. Get messages ASAP...
hi folks can anybody tell me about the simulation softwares used in chemistry for undergraduates n how can i ve them? dilpakistani ... Boardwalk for $500? In...
Hi, I'm new. Just joined... don't know if I can ask these questions but... I have a Chemistry final on Wed. and I can't get the answer to this question. How...
Hi Step 1 - write out the balanced equation and look at the ratios of the reactants. 2HCl + Na2CO3 --> CO2 + H2O + 2Na + Cl2 Observe that for the above...
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