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 8408
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?894
What is a base line?2 8169
In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?2 10976
WHAT IS USE OF ION PAIR REAGENTS?3 6507
How to calculate signal to noise ratio by this formula 2H/h where h from where and how to measure2 6475
What is quality controle.6 7381
When you get Moisture content by KF higher than by LOD, what does this indicate?7 10683
what is deference b/w the working standard and reference standard4 17796
How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance4 13013
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 4033
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
explain 5 components of gas chromatography ?
What is the acceptance criteria for moisture balance when calibrated with sodium sulfate
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
Why to use propyl paraben in HPLC gradient calibration
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
What is the principle of Thermal conductivity detector and FID?
Tell me something about Vitamin A test method by HPLC
What is gelatinization?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?