100 tests at 10 ml per test.
Warning - These Test Kits contain chemicals that may be potentially hazardous or harmful if misused including strong Acid and other liquid chemical solutions. Read cautions on individual container carefully.
Keep out of reach of children. Use only with adult supervision and follow instructions.
Chemistry: Titration with sulfuric acid to the phenolphthalein end point after carbonate is precipitated with barium chloride.