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發(fā)貨 河北石家莊市付款后3天內(nèi)
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更新 2013-05-31 09:18
 
詳細(xì)信息

閃光棕紅色結(jié)晶塊或砂狀,熔點(diǎn)118攝氏度至118.5攝氏度。溶于水呈黃光橙色,溶于酒精和溶纖素,微溶于丙酮 禁發(fā),不溶于苯。遇濃禁發(fā) 硫酸呈黃色,稀釋后呈橙色;遇硝酸呈橙色。其水溶液加氫氧化鈉溶液生成紅棕色沉淀,染于單寧媒染的棉纖維上呈黃光橙色,在鎢絲燈光下較鮮艷。 

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