JJF 2341-2025 Active National Metrology Technical Specifications JJF

JJF 2341-2025 Calibration Specification for On‑line Analyzers for Residual Chlorine

Publish Date: 2025-11-05 Implement Date: 2026-05-05 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJF 2341-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2025-11-05

Implement Date: 2026-05-05

Publisher: 国家市场监督管理总局

Technical Committee: 全国物理化学计量技术委员会在线理化分析仪器分技术委员会

Pages: 20 pages

Scope

本规范适用于测量范围不超过20 mg/L比色法原理的余氯在线分析仪的校准，包括测定水中游离余氯和(或)总余氯在线分析仪。

Development Information

Drafting Units:

福建省计量科学研究院、中国计量科学研究院、江苏省计量科学研究院(江苏省能源计量数据中心)

Drafting Persons:

林国辉、王海峰、王以堃

Word Count: 21 Thousand words Pages: 20 pages

Referenced Standards

JJF 1609-2017 Calibration Specification for Residual Chlorine Meters GB/T 5750.11-2023 Standard examination methods for drinking water—Part 11:Disinfectants indices HJ 586-2010 Water quality determination of free and total chlorine using N,N-diethyl-1,4-phenylene diamine spectrophotometry

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