What is the most suitable ICP-OES method development for the analysis of Ca and Mg in water?

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Ooi Yan Jie

Hi did you check APHA method ? APHA chapter 3120 - Metals by Plasma Emission Spectroscopy, Method B - Inductively Coupled Plasma (ICP) Method.

Here is the link, hope it helps.

https://law.resource.org/pub/us/cfr/ibr/002/apha.method.3120.1992.pdf

Rafael Isayev

In ICP-OES 2100DV Perkin Elmer

I use for Ca 317.933 nm wavelenght and for Mg 285.213 nm! Plasma view Attn Axial.

Twister Spray Chamber with Helix 50 ml cyclonic.

Plasma 15 L/min

Aux 0.2 L/min

Neb 0.65 L/min

Power(watts) 1300

Sample flow rate 1.5 ml

My results for QC VKI DWB

http://www.eurofins.dk/media/2837/dwb-16-8_9-0510_uk.pdf