How can you prepare 0.1% Phosphate buffer solution?6 8345
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language1 1238
difference between quality and quantity3 9258
Is it required to inject 6 injections for % RSD of a system suitability in lc or gc3 9237
why the ph scale range is 1 t0 14 and why not beyond 14 and not to below 1?5 17257
What is method validation in quality control2452
If mass balance is not passing in forced degradation in method validation that method is suitable or not?1 6172
Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?1 5934
What is the reason for negative peak in HPLC while using UV detector.2 12549
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
Why potassium dichromate is used in calibration of uv?
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
Basic principle of ESI?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
Why sodium hydroxide used for maintain pH of phosphate buffer
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
How we can determine water content in piperazine
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
What is control room temperature and which guide line says?
Tell me about analytical method validation in QC