why we use caffeine for hplc calibration?
Answer Posted / jaimesh soni
caffeine having different wavelengths it having 2 maxima & 1 Minima . First maxima is 205 nm & second maxima is 273 nm . Minima is 245 nm. caffeine easily available in market. It is very stable we can use a long time for analysis (it is not degradable)
| Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
which situation gc hs and gc als require to use?
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
What is column in chromatography?
why we use glass fiber filters use in some situation?
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?
Why six unit used for precision?
In rs method development when we are going area normalization method to dilute standard method?
how require to select dissolution media? what is discrimination?
what is mean by dissolution hydrodynamics?
Is it nessesary all multimedia dissolution require descriminatory?
what is biorelivent dissolution media?
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
Why we use potassium dichromate in uv calibration Exact reason behind it??
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
What is Band broading effect explain