MOONPHOS AIR SAMPLING PUMP

For entering a grain godown where furnigation is in progress in grain stacks, it is essential to ensure that Phosphine level araound the stacks is within acceptable limits, to meet the safety standards. Phosphine indicator strips do this job. It is the easiest means of detecting Phosphine is suspected areas.They are paper strips imregnated with Phosphine-sensitive chemicals by a special process. They detect Phosphine by their change of colour. Concentration of Phosphine Exposure Time Colour Change 0.3ppm 30min. yellow to light pink 1.0ppm 10min. yellow to pink 2.0ppm 5min. yellow to pink 5.0ppm 2min. yellow to pink 10ppm 1min. yellow to pink