i have 5liter 98% h2so4 now, i want to convert it in 92% by adding water....so...howmuch water i have to add ?2 4154
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For all impurities characterization data is required ? If Require please Explain which type of Impurities we have to do?1 2052
Which charcoal is used to decolourise the raw sugar?2 7958
we shall use Dichloromethane in last stage of API.
Can we consider in purity angel
hi, i want last 10 years ongc exam recruitment papers for subject in chemistry ,genaralknowladge.
which question ask me in grasim in inerview?
What is use of acetonitrile compare to methanol in RP-HPLC Method development?
Any one is alembic pharmaceutical ltd. On starting to job ?
Which form of Sucores is harmfull to humans ?
Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?
what things are suitable for investigatory project?
hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010
what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures?
How do you explain the different solvent power of water and other organic solvent?
What are acounting Pi electron's?
what are the checklist need to maintain in API manufacturing area as per USP requirements.......?
what is the purpose of using cyclhexane in synthesis?