JJF 2278-2025 Active National Metrology Technical Specifications JJF

JJF 2278-2025 Calibration Specification for Differential Pressure Biochemical Oxygen Demand Meters

Publish Date: 2025-09-08 Implement Date: 2026-03-08 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: JJF 2278-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2025-09-08

Implement Date: 2026-03-08

Pages: 16 pages

Scope

This specification is applicable to the calibration of pressure difference method biochemical oxygen demand (BOD) analyzers.

Development Information

Word Count: 16 Thousand words Pages: 16 pages

Replace the following standards

JJG 824-1993 Biochemical Oxygen Demand (BOD5) Meter

Referenced Standards

HJ 505-2009 Water quality: Determination of Biochemical Oxygen Demand (BOD5) by Dilution and Inoculation Method

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