State System for Ensuring Uniform Measurement. Standard samples of the composition and properties of substances and materials. Procedure for assessing stability characteristics.

Standard published on 1.7.2004

State System for Ensuring Uniform Measurement. Ion-selective electrodes for determining the activity (concentration) of ions in aqueous solutions. Verification method.

Standard published on 1.3.2004

State System for Ensuring Uniform Measurement. Glass electrodes, including combined electrodes, for determining the activity of hydrogen ions (pH) in aqueous solutions. Verification method.

Standard published on 1.3.2004

State System for Ensuring Uniform Measurement. pH meters and ionomers. Verification method.

Standard published on 1.3.2004

State system for ensuring the uniformity of measurements. Direct singlemeasurements. Estimation of errors and uncertainty of measurement results

Standard published on 1.1.2005

State System for Ensuring Uniform Measurement. Methods for measuring the effective characteristics of ultraviolet radiation. General provisions

Standard published on 1.1.2005

State system of measuring uniformity provision. Metrological maintenance of oil accounting during its transportation in the system of oil main pipelines. Basics

Standard published on 1.1.2005

State system for ensuring the uniformity of measurements. The volumetric heat (energy) of combustion of natural gas. Expert assessment of the reliability of measurement results obtained with the use of calorimeters and gas chromatographs

Standard published on 1.9.2005

State system for ensuring the uniformity of measurements. Characteristics of optical radiation of solar simulators. Methods for measurements

Standard published on 1.3.2006

State system for ensuring the uniformity of measurements. Analysers of oxigen dissolved in water. Methods of verification

Standard published on 1.7.2006