what are peak purity,peak purity index,peak thresold2 11373
1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation1 10279
Why we are using K2Cr2O7 for control of absorbance in UV?2 9616
1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv3 8956
what is the principal of malvern particle sizer & its used in pharma industry3 5437
In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?2 4628
same sample on two preapration gives differnt result during hplc analysis3 4690
Why we are using a Kf Factor range 4 to 67 31660
What is difference between Chromatographic purity and Related substances analysis?3 16696
why 6 tablets use for dissolution
what is DIPE limit in residual solvent?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
what is partion and column chromatography
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
what is difference between zero air gas and o2 gas
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
How can I develope method of dissolution by HPLC OR UV
What is the difference between known and unknown impurities?
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
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,
We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
what is separation techniques.
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
How to start the dissolution development for unknown tab?