[国外标准] JIS K9552-1992 Methylthymol blue
[国外标准] JIS K8897-1992 Methylene blue
[国外标准] JIS K8643-1992 Thymol blue
[国外标准] JIS K8897：2012 Methylene blue (Reagent)
[国外标准] JIS K8844-2012 Bromophenol blue (Reagent)
[国外标准] JIS K8842-2012 Bromothymol blue (Reagent)