Why sodium lamp is used as source of Polarimeter?
Answer Posted / samreen sahar
it is mostly used because of its monochromatic nature.it produces wavelength of 589 nm. it produces line spectrum. it is also mostly used in Michelson interferometer because of visible and distinguishable fringes due to its line spectrum.
Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
How doing qbd practically?
Why we check moisture,ash & AIA in product
how you determine moist.of NaOH sol or NaOH flacks
What is the diffrence in japan mkt requirement in analytical method validation over US?
how can I make the copper get white bye any salt or acit?
WHY pKa value is more important than pH value of the mobile phase in HPLC?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?
using gradient pressure in gas chromatography are not ?using gradient pressure why
Many times I don't got a caffeine peak in calibration of hplc using guard column ❓
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
could negative ions be produced by bombardment process in mass spectrometry?
What is control room temperature and which guide line says?