Standards GB - Chinese national standards - Page 169

Determination of silica in water for industrial circulating cooling system and boiler

Standard published on 7.9.2017

Analysis of water used in boiler and cooling system-Determination of turbidity-Formazine turbidity

Standard published on 6.2.2005

Water for boiler and cooling system-Determination of mineral oil

Standard published on 13.8.2007

Analysis of water used in boiler and cooling system - Determination of total aluminium

Standard published on 1.4.2008

Determination of dissolved oxygen in water for industrial circulating cooling system and boiler

Standard published on 9.3.2022

General guideline for preventing electrostatic accidents

Standard published on 22.6.2006

General requirements for preventing electrostatic accidents
Execute Date: january 2026

Standard published on 31.12.2024

External micrometer

Standard published on 14.5.2018

Metallic materialsCalibration of extensometers systems used in uniaxial testing

Standard published on 18.10.2019

X and gamma reference radiation for calibrating dose meters and doserate meters and for determining their response as a function of photon energy--Part 1:Radiation characteristics and production methods

Standard published on 11.12.2000