Normas ISO

Structural steels-- Part 2: Technical delivery requirements for hot-finished hollow sections

Structural steels -- Plates, wide flats, bars, sections and profiles

Steel and cast iron -- Determination of manganese content -- Spectrophotometric method

Solid mineral fuels -- Determination of carbon and hydrogen -- Liebig method

Solid mineral fuels -- Determination of phorphorus content -- Reduced molybdophosphate photometric method

Manganese ores -- Determination of metallic iron content (metallic iron content not exceeding 2 %) -- Sulphosalicylic acid photometric method