Fast 10-minute reaction! Easy-to-use instructions. Accurate: 2 ppb
minimum detectable level, 0-160 ppb range, Sulfide interference remover
(up to 2 ppm) The procedure detects inorganic As+3 and As+5 by
converting these to arsine gas, which produces a yellow to brown color
on a test strip.
The strip is then compared to color standards to
determine the arsenic concentration. Enough for 50 tests.