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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 10951AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
2026In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?
2 15903How to calculate signal to noise ratio by this formula 2H/h where h from where and how to measure
2 10483How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance
4 20807Suppose 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 6004Post New Analytical Chemistry Questions
what is mean by nitrosamine impurities?
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
how require to fix the linearity and accuracy cincentration range?
Why we use potassium dichromate in uv calibration Exact reason behind it??
Tell me something about Vitamin A test method by HPLC
what is turbidimetric titration?Give 2 examples.
what is mean by dissolution hydrodynamics?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
what is third integration
if identification threshold crosses the limits then what next step?
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
can i use hplc detector to uplc and why?
Why only 1.2 million lux hours require in photostability study?
Did anybody have method for acetyl cysteine effervescnce tablet
