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what is the purpose of Buffer in any titration?Ex:In determination of hardness of water we use ammonia ammoniachloride buffer in titration with EDTA.Why?
13 92327why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?
11 72525what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
4536When performing Moisture content how to you say only Methanol react with water not product Explain?
2 10498How we develop a method by HPLC for unknown compound,if we got three peaks with same response then how we can find out which one is our desired compound's peak without taking help of LC MS.
4 15162In case of dissolution test, if there is variation within 6 individual units however the batch is complying as per S1 criteria, is it necessary to do investigation for the same? What should be the criteria for such variation?
2 5756What is the difference between bulk property detectors and Solute property detectors vivimed labs limited
3 17716IF THE COMPOUND PKA IS 5.3 WHY WE ARE ADJUSTING PH+/-2 OF THE COMPOUNDS PKA. WHAT IS THE CONDITION
2 10550IN DISSOLUTION TEST S1AND S2 AND S3 CONDITIONS ALL ARE FAILED THEN WHAT IS THE DESSICION U CAN TAKE
12 29028Post New Analytical Chemistry Questions
UV and PDA detector, which have less signal to noise ratio?
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?
what is the difference between potentiometric titration and karl fischer titration?
what is the origin to prepare standard operating procedure
in OSD forms require to use gas chromatography?
how you start RS method development when for new product?
Difference between the quantitative analysis and qualitative analysis?
Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?
How to calibration of the uv spectroscopy and its test?
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
what type of question will ask in the interview of lab chemist.
what are the standard methods for HPLC?
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
How to do regeneration of Metacarb Pb plus column?
