HY/T 0345-2022Determination of seawater trace nitrite - Flow analysis, diazotization and spectrophotometric detection witha long path length flow cell (English PDF)

HY/T 0345-2022 (Determination of seawater trace nitrite - Flow analysis, diazotization and spectrophotometric detection witha long path length flow cell) is available as an English-translated PDF.

HY/T 0345-2022 — This document describes the method principle, Analysis steps, and result calculation and recording, specifying reagents and materials, instruments and equipment, sample collection and storage, result calculation and recording, precision Technical requirements for precision and accuracy, quality assurance and quality control, etc. This document applies to the determination of trace nitrite at the nanomole/liter (nmol/L) level in seawater.

The detection limit of this method is 3nmol/L, the lower limit of determination is 5nmol/L.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

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