GOST 19807-91

Fertilizers. Determination of chlorides in the absence of organic materials

Resources saving. Waste treatment. Guide safe gathering, storage and transportation of galvanic elements

Zinc and/or aluminium based coatings on steel. Determination of coating mass per unit area and chemical composition. Gravimetry, inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry

Integrated research and development management system. Fundamentals

State system for ensuring the uniformity of measurements. Certified reference materials of composition of gas Mixtures. General metrological and technical requirements

Laboratory glassware. Graduated pipettes. Part 2. Pipettes for which no waiting time is specified