GOST 13904-2019

Petroleum. The determination of chloride salts content

Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices. Human models, instrumentation and procedures. Part 1. Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close proximity to the ear (frequency range of 300 MHz to 3 GHz)

Locomotives and self-propelled special railway stock. Methods to determine efficiency and power capacity coefficient

Plastics. Method for viscosity determination of diluted polymer solution

Antimony. Methods for the determination of sulphur

Medical devices. Biological evaluation of medical devices. Part 12. Sample preparation and reference materials