• Allows the easy detection of arsine (AsH3) in the gas phase
• Arsenic in solutions has to be converted into AsH3 with Zn/acid and purged from the solution. The arsine is detected directly at the boundary layer between water and air
• Arsenic test paper is used for the easy determination of arsenic in grape must and wine
• For the determination of arsine in compartment air, the test paper is moistened with acetic anhydride
• Color reaction: white to brown-black
• Limit of sensitivity: 0.5 microgram As
