State system for ensuring the uniformity of measurements. Requirements for the competence of providers of proficiency testing for test laboratories by interlaboratory comparisons

UNGÜLTIG herausgegeben am 1.1.2011

State system for ensuring the uniformity of measurements. Measuring instruments of artificial radioactive aerosols volumetric activity. Verification procedure

UNGÜLTIG herausgegeben am 1.1.2011

State system for ensuring the uniformity of measurements. Reference materials of materials (substances). General and statistical principles of determination of metrological characteristics

UNGÜLTIG herausgegeben am 1.7.2012

State system for ensuring the uniformity of measuremenets. Measuring electrodes for oxidation-reduction potential determination (ORP). Verification procedure

UNGÜLTIG herausgegeben am 1.7.2011

State system for ensuring the uniformity of measurements. Nuclear material control and accounting. Measurement system. Main principles

UNGÜLTIG herausgegeben am 1.1.2012

State system for ensuring the uniformity of measurements. Embedded and external photometers for laser therapeutic apparatus. Method of verification

UNGÜLTIG herausgegeben am 1.1.2012

State system for ensuring the uniformity of measurements. Photoelectrical laboratory colorimeters. Verification procedure

UNGÜLTIG herausgegeben am 1.1.2012

State system for ensuring the uniformity of measurements. Piezosorbtion hygrometers. The method of verification

UNGÜLTIG herausgegeben am 1.1.2012

State system for ensuring the uniformity of measurements. The laboratory conductometers of liquid. Methods of verification

UNGÜLTIG herausgegeben am 1.1.2012

State system for ensuring the uniformity of measurements. Polarimeters and Saccharimeters. Methods of verification

UNGÜLTIG herausgegeben am 1.1.2012