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Why potassium hydrogen pthalate is used for perchloric acid And naoh. Why it is used for both acid and base
6 31404is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.
2 11939how would you determine the acceptance criteria for cleaning validationof product A for product B?
1 7617How can we konw that the HPLC column is endcapped? Is it possible to identify visually without COA?
2 10405what is the meaning of PURITY AND POTENCY .what is the difference between PURITY and POTENCY
5 27357HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
2246Post New Analytical Chemistry Questions
How to start the dissolution development for unknown tab?
how much mass should be there in volumetric flask while in preparation of sample for assay?
What is a difference between potency and purity?
how to develop the icp ms method? Application of icp ms?
is it nessesary to do solution stability for 7 days?
Did anybody have method for acetyl cysteine effervescnce tablet
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
What is the calibration of uv process and preparation
What is similarity factor?
Which parameters require to do in tech transfer?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
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 to decide for one product require water content or LOD?
how to qualify the impurity?
What is split ratio in Gc? Splitless? how requirr to select?
