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How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V
2556why all liquid raw materials fallows residue on evaporation at 105Degree temp. but methanol bp 60Degree
1 3945why using Potentometry What Purpose? differance between manual and potentiometry? why using Some of materials in usig potentiometry? What is use of mericuric acetate in Potentiometry
1 5822iam using ph instrument lab india make.3ponit and 5point.in calibration time 3point slope will come 98.89and 96.87.that limit is 85 to 105.what basis slope will come.any calucalation between them.5point wiicome slope 99.89?why 3p0int came 2 values
1 5512when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
ABC,
2105
why require the ph, buffer during hplc mobile phase?
What is hybridyzation ? How can i find that which type hybridyzation in perticular compound like in CH4(hy is sp3).
acceptance criteria for lod & loq by standard deviation of response and slope??
Explain the use of glacial acetic acid?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do
What is meant by transmittance?
Explain how buffer works?
pls send me the solved paper of health & malaria inspector to santoshmaurya.087@radiffmail.com
in api coa contains only process impurities and in product coa contains degradation impurities?
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry
What is use of acetonitrile compare to methanol in RP-HPLC Method development?
how much time require for day to prepare the ongc exam for evarage student?
