This document describes the detection methods for the appearance, color, softening point, acid value, unsaponifiable content, ethanol insoluble content, ash content and chemical composition of rosin. This document is applicable to the inspection and testing of rosin products.
GB/T 8146-2022 Referenced Document
GB/T 1722-1992 Estimation of colour of varnishes, boiled oils and thinners
GB/T 4507-2014 Standard test method for softening point of bitumen.Ring-and-ball apparatus
GB/T 601 Chemical reagent.Preparations of reference titration solutions
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*, 2023-08-06 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods