is fitted with soft edges; these shall not, however be so soft that if the doors are closed on the test bar mentioned in paragraph #.#.# the rigid structure of the doors will reach the fully closed positionWikiMatrix WikiMatrix
Using the eluting solvent develop for at least # minutes in a tank saturated with solvent vapour, until the pinkcoloured hydrazone zone is clearly separated. Leave to dry in the openjw2019 jw2019