0.1 atom gram of the unknown element( X)reacts with 2.4 gram
of O2 to produce the oxid product . can you tell us, what is
the oxid formula ? a) XO b)X2O3 c)XO2 D) X2O4
why deutiriated chloroform used in NMR for sample prepration. what reaction takes place.give reasons
What should be the precision for HPLC during technology transfer?
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
why do we have to used saturated ammonia in TLC
what is Fourier Transform
3 Answers Graviti Pharmaceuticals, GVK,
Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%
What is the difference between high pressure gradient and low pressure gradient in hplc?
mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
Which type of analysis we have to done uv spectroscopy
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
What is cleaning validation of rinse and swabe and its limit with caculation formula.
What is the use of tlc and hplc? And when and where use?