Hi, This is MUHAMMAD FARHAN GHORI, can any one tell me, why the bottom of Gas cylinders and spray bottles are always round ? why it is not flat? what is the...
It has to do with the design of pressure vessels generally. It can be shown, using applied maths, that the required thickness (and hence weight) of an...
To elaborate on JohnWW's correct answer: If you have pressure pushing on a flat plate, the plate will try to bend. If the plate is thin, there will be very...
Hi, This is MUHAMMAD FARHAN GHORI, can any one tell me, why the bottom of Gas cylinders and spray bottles are always round ? why it is not flat? what is the...
Join Mukeshkumar on Quechup You have been invited to join MukeshkumarJani's friends network http://quechup.com/ - REGISTER NOW FOR FREE and find out why...
hello friends...... In past there were ZINC OXIDE available in simple form, but now a days company made the ACTIVATED ZINC OXID. Can any budy give me idea...
Probably "activated" by being finely-divided. It is used in anti-sunburn screens mixed with peanut oil, and in superior white and pastel-colored paints, to...
All, I have been busting my head with this one. I need to remove ca. 1% of an ethyl ester impurity from a methyl ester. I have tried washing the impurity out...
Thanks, But this wont work, the product i am trying to purify is pretty insoluable in most solvents, and as a result the ethyl ester is also. I have thought...
Use the boiling point of both compound. Boiling point of methyl ester is lower than b.p of ethyl ester. So when you are heating this compound mixed, the first...
... of ... the ... Another possibility would be to carry out a transesterification reaction by reacting the mixture with excess methanol (with either acidic...
Other than that, or chromatography, the only other certain way would be to hydrolyse (saponify) the ester with a strong alkali, separate out the free...
Handbook of EDGE for Mobile Internet <http://tinyurl.com/2zo3yc> offers you a detailed treatment of EDGE and its critical role in the development of the...
hey guys... im just wondering if anyone of u knows how to make or has a t-shirt design in chemistry???? i would really appreciate it if u send it to me.......
Search on Google with the "images" button highlighted, and you will get: http://images.google.com/images?hl=en&q=tshirt+chemistry&btnG=Search+Images&gbv=2 ...
You usually have to see the NMR... or at least I do. There are ranges for functional groups and things to look for if you've done any other type of analysis. ...
Dear Friend Why don't you read some classical books on spectroscopy like, Organic Spectroscopy by William Kemp and Organic Spectroscopic Analysis by...
Hi dear, hope the following link will help you. http://www.chem.ucla.edu/~webspectra/ http://www.aist.go.jp/RIODB/SDBS/cgi-bin/cre_index.cgi Regards, Daniel...
hi i am prashant shihora u know me reply must. prashant dipti dodiya <pleasentzoneddk@...> wrote: hii tx a lot it really helped me regards dipti dodiya...
Hi prashant, hw r u? are you talking to me (Lalson) or to Dipti. answer from me is, no I dont know you. but its fair to start a friendship from here. Daniel...
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