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本文作者对一种新杀螺剂B-2,即2,5二氯-4-溴苯酚钠作杀片山钉螺及药物对鱼类和哺乳类动物的毒性实验。该药是皮革工厂鞣革过程中用的一种杀真菌剂,易溶于水。试用时用蒸馏水配制成各种浓度的药液,温度为25℃,将活钉螺投入药液,接触48小时,测定药物对钉螺的半数致死浓度(LC_(50) )及LC_(90) 。每次试验,均同时以70%的氯硝柳胺可湿性粉剂为对照,并与五氯酚钠的资料作比较。
The author of a new molluscicide B-2, 2,5-dichloro-4-bromophenolate sodium for the kill snails and drug drug toxicity test for fish and mammals. This medicine is a kind of fungicide used in tannery of leather factories and is easily soluble in water. The trial preparation of distilled water into various concentrations of liquid, temperature 25 ° C, the live snail into the liquid, contact 48 hours, the drug measured oncomelania semi-lethal concentration (LC_ (50)) and LC_ (90). Each test, both with 70% niclosamide WP as a control, and compared with sodium pentachlorophenate data.