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If only synthetic Azure B and Eosin Y is used, it may serve as a standardized Giemsa stain; but, without methylene blue, the normal neutrophilic granules tend to overstain and look like toxic granules. On the other hand, if methylene blue is used it might help to give the normal look of neutrophil granules and may also enhance the staining of ...
The MB indicates the wood has been fumigated with methyl bromide to kill pests. Most methyl bromide is used for fumigation purposes, while some is used to manufacture other products. It is widely applied as a soil sterilant, mainly for production of seed but also for some crops such as strawberries [9] [10] and almonds. Bromomethane is safer ...
Toxic gases – Gases which: are known to be so toxic or corrosive to humans as to pose a hazard to health; or; are presumed to be toxic or corrosive to humans because they have an LC 50 value equal to or less than 5000 ml/m 3 (ppm). e.g. hydrogen cyanide. Division 2.3
Benzisothiazolinone has a microbicide and a fungicide mode of action. It is widely used as a preservative, for example in: . emulsion paints, caulks, varnishes, adhesives, inks, and photographic processing solutions
The metabolite MB 46136 is more toxic than the parent to freshwater fish (6.3 times more toxic to rainbow trout and 3.3 times more toxic to bluegill sunfish). Based on an acute daphnia study using fipronil and three supplemental studies using its metabolites, fipronil is characterized as highly toxic to aquatic invertebrates. [7]
Methylmercury is extremely toxic, and its derivatives are the major source of organic mercury for humans. It is a bioaccumulative environmental toxicant with a 50-day half-life . [ 1 ] [ clarification needed ] Methylmercury (derived biologically from dimethylmercury ) is the causative agent of the infamous Minamata disease .
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Heavy metal contamination occurs from both natural and anthropogenic sources. The most notable natural source of heavy metals is rock outcroppings, although volcanic eruptions can release large amounts of toxic material. [2] Significant anthropogenic sources include mining and smelting operations and organic and inorganic fertilizer application ...