Fluoride standard #1, "100 ppm as F", a 1:1 volumetric mixture of 100 ppm fluoride standard and sodium acetate buffer, pH 5.4, for the metal-finishing industry
Fluoride standard #2, "1000 ppm as F", a 1:1 volumetric mixture of 100 ppm fluoride standard and sodium acetate buffer, pH 5.4, for the metal-finishing industry