It is first method in entironment monitoring that volatilization hydroxybenzene in water with 4 - amino - antipyrine extraction method.
4- 氨基安替比林萃取光度法测定水样中挥发酚,是环境监测中首选的测定方法.
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Methods: The menthol and hydroxybenzene in complex boric acid powder were determined by GC.
方法采用毛细管气相色谱法测定复方硼酸散中薄荷醉和苯酚的含量.
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The company engages plastic product pouring , Hydroxybenzene product machining, punching product machining and machine machining etc.
主要从事塑料产品注塑加工、酚酚产品加工 、 冲压产品加工、机械加工等.
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