GOST R 58890-2020

Solid biofuels. Sampling. Part 2. Methods for sampling particulate material transported in lorries

State system for ensuring the uniformity of measurements. Certified reference materials of gas mixtures with Nitrogen oxide, Nitrogen dioxide, Hydrogen sulfide, Sulfur dioxide, Ammonia. Procedure of determining the metrological characteristics

Nature protection. Metrological assurance of the control over the contamination of the atmosphere, surface waters and soil. General

Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW. Part 1. Safety

Milk fat, butter and butter paste made from cow milk. Control methods sensory characteristics

Raremetallic concentrates. Methods for the determination of silicon dioxide