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 7976
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?756
What is a base line?2 7682
In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?2 10231
WHAT IS USE OF ION PAIR REAGENTS?3 6067
How to calculate signal to noise ratio by this formula 2H/h where h from where and how to measure1 5789
What is quality controle.6 6891
When you get Moisture content by KF higher than by LOD, what does this indicate?6 9895
what is deference b/w the working standard and reference standard3 15428
How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance3 11691
Suppose 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 3820
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
what is the structure of DOWEX-50
how can delete the impurity in 1-(2:6 dichloro phenyl)-2-indolenone.and desolving the impurity in which solvent but does not desolve product in solvent.
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 separation techniques.
How can we determine Moisture content of HI?
What is the calibration of uv process and preparation
Identify problem faced when mass spectroscopy is used with HPLC system ?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
why equlirium conatant of water have 14 value
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
What is aggregate and fragments in SEC?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
why octanol used to determine the partition coefficient ?