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difference between AAS & flame photo meter ?3 27819
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explain 5 components of gas chromatography ?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
What is the principle of Thermal conductivity detector and FID?
how can give the expiry period and restadardisation of volumetric solution
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
Explain the relations between number of carbon atoms in alkanes and retention time ?
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?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
how to select short coloum and long coloumn for new molecule
mahagenco syllabus for the post of chemist
What is the acceptance criteria for moisture balance when calibrated with sodium sulfate
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
Why we check moisture,ash & AIA in product
Why dissolution test is not performed in all of the products
what is the structure of DOWEX-50