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Answer Posted / hyma
chromatography
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What is the difference between spectro meter and spectro photo meter?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
for inorganic molecules require to do RS, Assay and disso?
Why six unit used for precision?
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
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?
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
in dissolution why pool sample needed? in which type of drug pool sample need?
how will you do the prep for unstable componds?
In performance Check of GC Why Hexadecane Peak is ConsideredÂ
What is the Formula for coreletion coefficient in plhplc calibration
How require to perform linearity as per ANVISA? What are the acceptance criteria?
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
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?
