Bismuth test paper • Quick and easy determination of bismuth • This test paper allows the rapid detection of Bismuth. • In the presence of bismuth ions (Bi3+) it shows an orange-red discoloration on a pale-yellow background. Product data • Presentation: Pack of 200 strips 20x70 mm • Color reaction: pale-yellow → orange-red • Limit of sensitivity: 60 mg/l Bi3+ (Nitric acid >3% leads to reduced sensitivity)

Aluminium test paper • Quick and easy determination of aluminium and zirconium • The test paper allows the quick and easy detection of aluminum. • In the presence of aluminum (Al3+) it shows bright red spots on a yellow background. • Using a different procedure, the test paper can be used for the determination of zirconium. Product data • Presentation: Pack of 100 strips 20x70 mm • Color reaction: yellow → bright-red • Limit of sensitivity: 10 mg/l Al3+