Insert Filter Plug into the cavity
(Change the plug after every 10 tests)

Put 2 Drops of Reagent C on the Filter Plug.
(Only when Filter Plug is Changed)

Fill water sample up to the 50 ml mark

Insert Detector Tube into the rubber tube such that the Arrow Mark points upwards

Add Reagent A (Blue Cap)

Add Reagent B (Red Cap)

Immediately close with Screw Cap till finger tight. Do not shake the bottle.

Pink-stained portion of the tube indicates Arsenic concentration of the sample.

Read Arsenic concentration directly in PPB

Note:

• One cotton filter plug can be used for 10 tests.
• It is advisable to change the rubber tube attached to the nozzle of the top cap after every 50 tests.
• Wipe clean the inside of cap with tissue paper before every reaction, to remove any adhering particles and water droplets.

• Do not expose to chemical fumes, like acids and alkali (eg. ammonia), which may affect the performance of the kit.