Lead acetate paper (7mm x 5m) 2602-501A 1 piece

For routine pH testing over a wide range Low cost Easy to carry and convenient for outdoor use pH test papers are widely used in factories and laboratories because they allow you to measure pH easily and quickly. This is a test paper for detecting hydrogen sulfide. Wet it with distilled water and use it to detect H2S in the air or gas from 5ppm. If you discolor the test paper black with H2S beforehand, it can also detect hydrogen peroxide at 4ppm or more. Note: For research and testing purposes only. This product is subject to the Industrial Safety and Health Act (no labeling required) and the PRTR Act. Features: Lead acetate Size: 7mm x 5m