Why we use holmium oxide,perchloric acid for uv/vis
calibration

Answer Posted / ragni vora

this is because holmium oxide and perchloric acid does not absorb uv/vis i.e. it is transparent to uv/vis region hence it can also be used as an background

Is This Answer Correct ?    13 Yes 26 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why irmoisture balance is used for corrugated box moisture testing

1927


what is the structure of DOWEX-50

4925


USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

1558


why cone formation during dissolution?

323


Why only 1.2 million lux hours require in photostability study?

465






how to get accurate result for Residue on evaporation in purified water

1124


how you start RS method development when for new product?

290


what type of question will ask in the interview of lab chemist.

2890


IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1985


What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

1549


Which is the highly polar and highly non polar column in HPLC?

1785


Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

281


acceptance criteria for lod & loq by standard deviation of response and slope??

2094


In which situation we require to prepare the standard solution from sample in Related substance method?

287


What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8311