This Japanese Industrial Standard specifies the method for determination of fluoride contained in industrial water, industrial wastewater and the like using the flow analysis by the lanthanum-alizarine complexone absorption spectrophotometry after distillation of the sample to separate fluoride as fluoride ion. The method is also applicable to sunface water, ground water, seepage water, etc.
JIS K 0170-6:2011 Referenced Document
JIS K 0050 General rules for chemical analysis*, 2019-02-20 Update
JIS K 0094 Sampling methods for industrial water and industrial wastewater