Why we use caffeine for HPLC calibration in Detector wave
ength accuracy test

Answer Posted / kamesh

It is a primary standard and it will detect at dual wave
length

Is This Answer Correct ?    33 Yes 10 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

2201


How to know the estimated LOQ concentration in ppm

729


What is control room temperature and which guide line says?

1152


what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

2195


is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

1656






1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1300


Identify problem faced when mass spectroscopy is used with HPLC system ?

1373


What is the calibration of uv process and preparation

1494


If vendor having more imp than monograph then how to proceed? and how to set spec?

332


Explain the relations between number of carbon atoms in alkanes and retention time ?

1622


Did anybody have method for acetyl cysteine effervescnce tablet

1808


How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3385


why require the ph, buffer during hplc mobile phase?

401


In Assy by potentio metry titration method how select MET U ,DET U, SET U,

1307


from where i get mortar pastle for glass bottle crush? it's required for testing of it?

1730