Sulfide test paper 10 x 5000mm 5m roll (83 strips) 17.5 1 box

Detects the presence or absence of hydrogen sulfide. The sulfide reacts and the test paper changes color from white to dark brown. Size (mm): 10 x 5000 Quantity: 1 box (5m roll (83 strips)) *Thiols, thioketones, and mercaptans do not react.