ISO 15681-2-2003 水质.用流量分析(FIA和CFA)法测定正磷酸盐和含磷总量.第2部分:连续流量分析法(CFA)

标准号：ISO 15681-2-2003
中文标准名称：水质.用流量分析(FIA和CFA)法测定正磷酸盐和含磷总量.第2部分:连续流量分析法(CFA)
英文标准名称：Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA)
标准类型：Z16
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Z16
国际标准分类号：13.060.50
适用范围：This part of ISO 15681 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[5],[6] or with an integrated UV digestion and hydrolysis unit. This part of ISO 15681 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.