Steel and iron; determination of sulfur content; methylene blue spectrophotometric method
Edition 1994-04

Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA)
Edition 2009-03

Photography - Determination of residual thiosulfate and other related chemicals in processed photographic materials - Methods using iodine-amylose, methylene blue and silver sulfide
Edition 1999-06

Essential oil of matricaria [Matricaria chamomilla L. syn. Chamomilla recutita (L.) Rauschert]
Edition 2020-12

Fine bubble technology - Water treatment applications - Part 1: Test method for evaluating ozone fine bubble water generating systems by the decolorization of methylene blue
Edition 2020-12

Textiles - Tests for colour fastness - Part B08: Quality control of blue wool reference materials 1 to 7 (ISO 105-B08:1995 + Amd 1:2009) (consolidated version)
Edition 2010-03-15

Iron blue pigments - Specifications and methods of test (ISO 2495:1995)
Edition 2000-06-01

Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA) (ISO 16265:2009)
Edition 2012-04-15

Water qualitys - Determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984 modified)
Edition 1994-03-01

Tests for geometrical properties of aggregates - Part 9: Assessment of fines - Methylene blue test
Edition 2022-04-15