This standard specifies the method for the determination of the acid content of wool. This standard applies to undyed wool and its products, and to dyed products in which the amount of dye during the test does not affect the end point of the titration.
GB/T 7570-2008 Referenced Document
GB/T 601 Chemical reagent.Preparations of reference titration solutions*, 2016-10-13 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods*, 2008-05-15 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*, 2008-07-16 Update