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 7794
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?722
What is a base line?2 7466
In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?2 9956
WHAT IS USE OF ION PAIR REAGENTS?3 5924
How to calculate signal to noise ratio by this formula 2H/h where h from where and how to measure1 5624
What is quality controle.6 6722
When you get Moisture content by KF higher than by LOD, what does this indicate?6 9632
what is deference b/w the working standard and reference standard3 14291
How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance3 11207
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 3745
What is the diference between residual solvents and organic volatile matter
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 DIPE limit in residual solvent?
why does used dry caffien in HPLC calibration?
how the compound separate in coulunm,explain
explain 5 components of gas chromatography ?
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
What is the pilot-plant in pharma sector.
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?
A ha tc is actual defination of retention time?
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language
give clarity of linearity and range in method validation
In IR spectra, generally a molecule vibrates without apply emr or ir light?
What is column in chromatography?