what are the sources in ELSD,PDA, RI and UV Detectors?
WILL YOU DRY DST BEFORE FACTOR DETERMINATION BY USING KARL FISHER TITRATOR
4 Answers Aurobindo, Meghmani Organics,
difference between precision & accuracy.
What is Signal to noise ratio?
a bottle of concerntrated HCL (36.5) was labelled as 37% (w/w) and density 1.19m/l.What is hcl molarity?
My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
What is the difference between chromatographic purity and related substances?
Why monograph of hplc coming upperside of drift but in IR monograph coming in drift side?
define beer-lambertslaw.
Wath is the differenc between two column HPLC wich have the samme support , lenth , pore size, etc.. But different name .for exemple : Spherisorb / lichrosorb
What are the six USP melting point reference standards?
why holmium perchloate solution in Uv calibration
In Related Substances Test how we can reside the limit of impurity ?