In the determination of wt% of metals in alloys,among spark OES and ICP OES which one gives a better result?

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Chandra Bhanu Basak

Both can be done but Glow Discharge OES (spark OES) would be less cumbersome in terms of sample preparation.

Xu Wang

Agree. ICP tests solutions, more sample preparation but higher detection limits. Spark OES is good for metallic elements and other impurities like C, N, S, P etc. ICP can do all the metallic elements but not sure how good on C, N.