in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.
2 8256what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
2193WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?
2 9960IN pH CALIBRATION,CALIBRATION IS DONE FOR pH METER OR ELECTRODE?HOW WILL YOU JUDGE THAT THE METER TO BE CALIBRATED WITH 4,7,9.2 BUFFERS?EXPLAIN TEMPERATURE EFFECTS ON pH.
1 10252AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
1603In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?
2 14637
Explain the Thawing of competent bacterial cells ?
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?
Protactinium-231 emits alpha particles. How can this property be utilized in radiation detectors or other scientific instruments?
In the short range what will happen to the levels above and below a population of secondary consumers of a numeric pyramid if a large number of individuals from this population dies?
What is the brigg's raucher reaction?
Why Gymnosperms have become less than Angiosperms and What is the evolutionary trend between them?
How are reaction rates dependent upon free energy changes?
how the qualification of pharma can help in banking
What are the morphological & anatomical differences between poisonous & non poisonous snakes?
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
How does the electron transport chain work during the Calvin Cycle?
Rules for multilateral trade in agricultural products were already in place at the end of the uruguay round. What is the purpose of the agriculture negotiations under the doha round?
Tell me what is pascal s principle?
Define alum?
What is the water cycle?