Answer Posted / govind jawadwar
Negative log of concentration of hydrogen ion
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about method developement in hplc
How to fix the sample conc. in Related substances test by HPLC?
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
how require to fix the linearity and accuracy cincentration range?
in which situation require to change rs specification?
in each media we require to use SLS? how to proceed?
how to decide for one product require water content or LOD?
pharma industries oriented
How we can identify process related and degradation impurity in single method with short period?
in which situation require to use paddle and basket?
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
in sampling of raw material which side is pasted sampled labels
In which situation we require to prepare the standard solution from sample in Related substance method?
on the basis of bcs class how to proceed the solubility?
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