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… watering, formation of solid particles in the eye fluid, glaucoma, photophobia (sensitivity to light), blepharospasm …
0.426
… is governed by the chemical principle on which a detector tube is manufactured. Obviously, if the substance … the error on the concentration value obtained using a detector tube can be as low as 5% or as high as 50%. …
2.202
… Explosive limit in oxygen Ammonia 15.50-27.00 13.50-79.00 Carbon monoxide 12.50-74.20 15.50-93.90 Hydrogen 4.00-74.20 … many poisonous substances give little or no warning e.g. carbon monoxide (no odour, minor headache initially, prevents … toxic gases (hydrogen sulphide), asphyxiant gases (carbon dioxide) and an oxygen-deficient atmosphere due to rust or …
4.579