In the method validation proceedure,lod & loq calculation we use the formulae for LOD=3.3*SD/slope and for LOQ=10*SD/slope,why we use 3.3 & 10 in the formulae?
1 10102In HPLC Chromatographic separation Resolution equation is Rs = 1.18 (tR2 –tR1)/wh1+Wh2, Where, tR2 and tR1 is run time of eluent ratios of the distances from the point of application to the centers of the spots and the distance travelled by the solvent front from the point of application (retardation factor), and Wh1and Wh2 , is peak width of at half height. What is 1.18 ?
1 6280Why are white flowers white in color though they are exposed to sunlight?what is the plastid present in them when they are exposed to sunlight?
2 6003A girl speaks the truth 4 out of 5 times. If she throws a die and reports it to be a 6, What is the probability of it being a 6?
4 13179
Expand cell line HL-60.
What is Chemical mutagenesis of plasmids and Why only Is there an alternative for FITC to label E. coli for FACS ?
Explain what is an analogy for microtubules?
Convert 3/20 into a percentage?
Sir, please give me previous year question paper for RRB for the post CHEMICAL AND METALLOGICAL ASSISTANT.
the fundamental forces of nature are most correctly given as?
What is a flying fox?
What is column in chromatography?
Macrophages present, which are present in the in the lungs, are called as?
What are the uses of glacial acetic acid?
What is an antigen?
What is molar conductivity?
we can use expired sample for validation and analyst qualification?
why cone formation during dissolution?
Explain immunoglobulin (ig) c?