阴离子检测：揭秘它们在水质中的角色与检测方法_检测机构_检测报告

检测信息

阴离子检测：揭秘它们在水质中的角色与检测方法是一种针对水体中阴离子含量及其存在形态进行分析的检测服务，应用于饮用水、工业废水、地表水及地下水等水质环境监测领域。

检测目的在于评估水体中阴离子浓度是否满足国家水质标准限值要求，涉及离子色谱法、分光光度法及电化学分析法等技术手段。

检测流程涵盖样品采集保存、前处理过滤稀释、仪器分析校准及数据计算出具报告，核心参数包括氟离子、氯离子、硫酸根、硝酸根等常见阴离子的定量限与检出限。

阴离子检测：揭秘它们在水质中的角色与检测方法检测方法

离子色谱法：利用离子交换分离柱分离水中各阴离子组分，电导检测器定量测定
离子选择电极法：采用氟离子选择性电极直接测定水体中游离氟离子活度
分光光度法：基于阴离子与显色剂反应生成有色络合物在特定波长下测定吸光度
容量滴定法：采用硝酸银标准溶液滴定测定水体中氯离子含量
离子排斥色谱法：利用离子排斥原理分离弱酸型阴离子如硼酸根和硅酸根
流动注射分析法：通过连续流动进样系统实现阴离子在线自动化检测
离子色谱-质谱联用法：针对痕量高氯酸根等难检测阴离子进行高灵敏度定性定量
电位滴定法：通过监测滴定过程中电极电位突跃确定阴离子反应终点
极谱分析法：利用滴汞电极测定水体中氰根等电活性阴离子还原电流
比浊法：通过测定硫酸钡悬浮液浊度间接计算硫酸根离子浓度
离子色谱抑制电导法：采用抑制器降低背景电导提高阴离子检测灵敏度

检测范围

饮用水阴离子检测
地表水阴离子检测
地下水阴离子检测
工业废水阴离子检测
生活污水阴离子检测
锅炉用水阴离子检测
冷却循环水阴离子检测
游泳池水阴离子检测
矿泉水阴离子检测
纯化水阴离子检测
注射用水阴离子检测
海水阴离子检测
雨水阴离子检测
农田灌溉水阴离子检测
渔业用水阴离子检测
实验室用水阴离子检测
电子级水阴离子检测
软化水阴离子检测
再生水阴离子检测
景观环境用水阴离子检测
医疗废水阴离子检测
电镀废水阴离子检测

检测标准（部分）

GB/T 33584.1-2017 海水冷却水质要求及分析检测方法第1部分：钙、镁离子的测定
T/GXAS 640-2023 复用餐（饮）具表面阴离子合成洗涤剂快速检测方法
T/CEPPC 86.2-2026 电解水制氢阴离子交换膜第2部分：检测方法
ASTM D8234-19 Standard Test Method for Anions in High Ionic Water by Ion Chromatography using Tandem Suppressed Conductivity and UV Detection
T/DLAS 25-2026 复用餐（饮）具阴离子合成洗涤剂的快速检测目视比色法
ISO 22184:2021 Milk and milk products — Determination of the sugar contents — High performance anion exchange chromatography with pulsed amperometric detection method (HPAEC-PAD)
BS EN ISO 22184:2021 Milk and milk products. Determination of the sugar contents. High performance anion exchange chromatography with pulsed amperometric detection method (HPAEC-PAD)
ISO 22579:2020 Infant formula and adult nutritionals — Determination of fructans — High performance anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD) after enzymatic treatment
DIN EN ISO 22184:2021-06 Milk and milk products - Determination of the sugar contents - High performance anion exchange chromatography with pulsed amperometric detection method (HPAEC-PAD) (ISO 22184:2021)
EN ISO 22184:2021 Milk and milk products - Determination of the sugar contents - High performance anion exchange chromatography with pulsed amperometric detection method (HPAEC-PAD) (ISO 22184:2021)
BS EN ISO 22579:2021 Infant formula and adult nutritionals. Determination of fructans. High performance anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD) after enzymatic treatment
EN ISO 22579:2021 Infant formula and adult nutritionals - Determination of fructans - High performance anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD) after enzymatic treatment (ISO 22579:2020)
BS EN ISO 10304-1:1995 Water quality. Determination of dissolved anions by liquid chromatography of ions-Determination of fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions. Method for water with low contamination
DIN EN ISO 22579:2020-03 Infant formula and adult nutritionals - Determination of fructans - High performance anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD) after enzymatic treatment (ISO/DIS 22579:2019); German and English version prEN ISO 22579:2019
BS PD ISO/TS 19620:2018 Water quality. Determination of arsenic(III) and arsenic(V) species. Method using high performance liquid chromatography (HPLC) with detection by inductively coupled plasma mass spectrometry (ICP-MS) or hydride generation atomic fluorescence spectrometry (HG-AFS)
ASTM D6994-15 Standard Test Method for Determination of Metal Cyanide Complexes in Wastewater, Surface Water, Groundwater and Drinking Water Using Anion Exchange Chromatography with UV Detection (Withdrawn 2024)
ASTM D6994-10 Standard Test Method for Determination of Metal Cyanide Complexes in Wastewater, Surface Water, Groundwater and Drinking Water Using Anion Exchange Chromatography with UV Detection
BS 11/30217195 DC BS ISO 15923-1. Water quality. Determination of ions by a discrete analysis and spectrophotometric detection. Part 1. Ammonium, chloride, nitrate, nitrite, orthophosphate, silicate and sulfate
ASTM D6994-04 Standard Test Method for Determination of Metal Cyanide Complexes in Wastewater, Surface Water, Groundwater and Drinking Water Using Anion Exchange Chromatography with UV Detection