why we are using polystyrene film for calibration of I.R
spectroscopy?

Answer Posted / hitesh sharma

Polystyrene films have long been used for checking the general performance of infrared (IR) spectrometers and specific tests for wavenumber accuracy and resolution based on such films are enshrined in various pharmacopoeias (1–4).

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

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

1312


why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

1181


what is the extinction coefficient for Indomethacin or at 319nm wave length.

3519


in sampling of raw material which side is pasted sampled labels

1247


In performance Check of GC Why Hexadecane Peak is Considered 

2554






Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2468


What is diffrence between extractable volume and deliverable volume? Answer pls

3929


Principle of single pan analytical balance

4601


what is mean by dissolution hydrodynamics?

350


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

1626


In IR spectra, generally a molecule vibrates without apply emr or ir light?

1433


if content uniformity passing but dissolution varrying then what is next step?

388


How can we calculate offset value pH measurment

1069


if you have given a blank water how you analyse by general analytical techniques?

1506


what are risk assement in the analytical qbd?

285