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what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?
Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,
1 21415plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration
2 4955In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?
1 9022How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.
3 7710How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
2389Post New Analytical Chemistry Questions
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
why we are using hexane in calibration of number of drop per mL
how the compound separate in coulunm,explain
what is turbidimetric titration?Give 2 examples.
how can I make the copper get white bye any salt or acit?
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
how decide the clining method and cleaning method validation require for this perticular products?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
why multimedia dissolution require to do?
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
what is third integration
Why use only methanol,used determinationof moisture content not use other solvents
in stress study if your api not soluble in hcl naoh h2o2 then what require to do?
which are the diffrent batches in the pharmaceuticals?
