How is the Flame test performed?

Answer Posted / bhavin mehta

First, take a clean wire loop of Platinum or nickel-
chromium . They may be cleaned by dipping in hydrochloric
or nitric acid, followed by rinsing with distilled or
deionized water.

Test the cleanliness of the loop by inserting it into a
bunsen burner flame. If a burst of color is produced, the
loop was not sufficiently clean.

Ideally, a separate loop is used for each sample to be
tested, but a loop may be carefully cleaned between tests.

The clean loop is dipped in either a powder or solution of
an ionic (metal) salt. The loop with sample is placed in
the clear or blue part of the flame and the resulting color
is observed.
In this way Flame test is done.

Is This Answer Correct ?    8 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How doing qbd practically?

412


What is the diffrence in japan mkt requirement in analytical method validation over US?

277


WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2082


How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

1779


what is mean by ambient temperature?

329






Difference between hlaf and rlaf

1635


how will you do the prep for unstable componds?

1428


What is column in chromatography?

1749


What is control room temperature and which guide line says?

1145


Why are use silicon oil mr?

729


if you get peak in blank then what require to do?

469


how to decide for one product require water content or LOD?

315


some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

2088


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2000


how you establish the LOQ?

293