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Character: light yellow powder; have a special foul - smelling and sour - smelling, should have no foul - smelling of rancidity.
本品为淡黄色粉末; 有特臭和酸味, 应无酸败的臭味.
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Character: Light pink poweders, dissolving in ammonium water slightly dissolving in water and acids.
性状: 浅红色粉末, 溶于氨水,微溶于水和酸.
特征标志光信号???又称 :特征标志光信号(code light)???
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