ISO 15681-2:2003 水质-液流分析测定正磷酸盐和总磷含量-第2部分：连续流量分析法

标准编号：ISO 15681-2:2003

中文名称：水质-液流分析测定正磷酸盐和总磷含量-第2部分：连续流量分析法

英文名称：Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) — Part 2: Method by continuous flow analysis (CFA)

发布日期：2003-12

标准范围

ISO 15681-2:2003规定了CFA方法，用于测定质量浓度在0.01 mg/l至1.00 mg/l P范围内的正磷酸盐和质量浓度在0.10 mg/l至10.0 mg/l P范围内的总磷。该方法包括有机磷化合物的消化和无机多磷酸盐化合物的水解，按照ISO 6878中的描述手动执行，或使用集成的UV消化和水解装置执行。ISO 15681-2:2003适用于各种类型的水（如地下水、饮用水、地表水、渗滤液和废水）。可通过改变操作条件来改变应用范围。该方法也适用于海水分析，但随着载体和校准溶液适应样品盐度，灵敏度会发生变化。

ISO 15681-2:2003 specifies CFA methods for the determination of orthophosphate in the mass concentration range from 0,01 mg/l to 1,00 mg/l P, and total phosphorus in the mass concentration range from 0,10 mg/l to 10,0 mg/l P. The method includes the digestion of organic phosphorus compounds and the hydrolysis of inorganic polyphosphate compounds, performed either manually as described in ISO 6878 or with an integrated UV digestion and hydrolysis unit.ISO 15681-2:2003 is applicable to various types of water (such as ground, drinking, surface, leachate and waste water). The range of application may be changed by varying the operating conditions.This method is also applicable to the analysis of seawater, but with changes in sensitivity, by adaptation of the carrier and calibration solutions to the salinity of the samples.

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