ballmill for zinc phosphide in Dominica

Shanghai GuWenJie Precision Machinery Co.Ltd. is a specialized manufacturer of aluminum die casting, machine parts, plastics processing and surface treatment。 We are committed to copper, aluminum, zinc, magnesium alloy die-casting, and concentrate on Magnesium Phosphide degasses quicker than aluminium phosphide. The max. phosphine concentration can be reached already after 24 to 36 hours. Compared to this aluminium phosphide containing fumigants in the same time are degassed to the extent of approximately 72 % (at 60 % rel. humidity and 20 C).

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Hydrogen phosphide, commonly known as phosphine, with the formula PH 3, is a fumigant gas with properties that have made it a major stored grain insecticide (Chaudhry 2000). Phosphine is relatively inexpensive, easy to apply, and can be used for a wide range of storage structures and commodities ( Chaudhry 2000, Kaur and Nayak 2015 ).

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Fumigation of adult R. dominica was based on the FAO standard 1975) and it took place in a controlled temperature and relative humidity chamber (25 C, 70% rh). Phosphine was obtained by a reaction of Zinc phosphide (Ji'ning City Yimin Chemical Plant

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Fumigation with phosphine gas is by far the most widely used treatment for the protection of stored grain against insect pests. The development of high-level resistance in insects now threatens its continued use. As there is no suitable chemical to replace phosphine, it is essential to understand the mechanisms of phosphine toxicity to increase the effectiveness of resistance management

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Global COVID-19 Impact Zinc Phosphide Market 2019. COVID-19 Impact Zinc Phosphide Market Size by Types, Applications, Major Regions and Major Manufacturers including the capacity, production, price, revenue, cost, gross margin, sales volume, sales revenue, consumption, growth rate, import, export, supply, future strategies.

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