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IN 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 11047AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
2050In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?
2 16037How to calculate signal to noise ratio by this formula 2H/h where h from where and how to measure
2 10590How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance
4 20956Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?
1 6066Post New Analytical Chemistry Questions
how you fix the limits of impurities?
Principle of single pan analytical balance
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
Why perchloric acid used for potentiometric titration
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
what type of question will ask in the interview of lab chemist.
how you confirm the assay method?
Tell me something about Vitamin A test method by HPLC
Basic principle of ESI?
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
WHAT IS THE USE OF STARTER ?????????
why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?
