Foreword 1 Scope 2 Normative References 3 Principles 4 Reagent and materials 5 Instrument and device 6 Analysis steps 6.1 Preparation of extract liquor 6.2 Measurement 7 Result calculation 8 Low measurement limit and precision degree 8.1 Low measurement limit 8.2 Precision degree 9 Test report Annex A (Informative) Working condition of ICP spectrograph
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