Lead Acetate Paper
Immerse filter paper weighing about 80 g/m2 in a mixture of 1 volume of dilute acetic acid and 10 volumes of lead acetate solution. After drying, cut the paper into strips 15 mm by 40 mm.
Immerse filter paper weighing about 80 g/m2 in a mixture of 1 volume of dilute acetic acid and 10 volumes of lead acetate solution. After drying, cut the paper into strips 15 mm by 40 mm.