| 酚试剂分光光度法测定人造板及其制品、木家具中微量甲醛释放量 |
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| 引用本文： | 鲍军,何莉,顾静青,孟健.酚试剂分光光度法测定人造板及其制品、木家具中微量甲醛释放量[J].化学分析计量,2008,17(4). |
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| 作者姓名： | 鲍军 何莉 顾静青 孟健 |
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| 作者单位： | 无锡市产品质量监督检验所,无锡,214101 |
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| 摘 要： | 采用酚试剂分光光度法测定人造板及其制品、木家具的微量甲醛释放量(干燥器法).甲醛浓度在0～3.50mg/L范围内,与吸光度呈线性关系,相关系数为0.9993.检测灵敏度是GB 18584、GB/T17657乙酰丙酮分光光度法的5倍,显色过程耗时约为后者的1/5,样品测定结果与乙酰丙酮分光光度法相符合.尤其对于甲醛释放量不大于1.5 mg/L的样品,酚试剂分光光度法测定结果的重复性好于乙酰丙酮光度法,测定结果的相对标准偏差小于乙酰丙酮光度法.
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| 关 键 词： | 酚试剂分光光度法 人造板及其制品 木家具 微量甲醛释放量 |
DETERMINATION OF MICRO AMOUNT FORMALDEHYDE EMISSION OF WOOD-BASED PANELS,THE FINISHING PRODUCTS AND WOOD BASED FURNITURE BY MBTH SPECTROPHOTOMETRY |
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| Bao Jun,He Li,Gu Jingqing,Meng Jian.DETERMINATION OF MICRO AMOUNT FORMALDEHYDE EMISSION OF WOOD-BASED PANELS,THE FINISHING PRODUCTS AND WOOD BASED FURNITURE BY MBTH SPECTROPHOTOMETRY[J].Chemical Analysis And Meterage,2008,17(4). |
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| Authors: | Bao Jun He Li Gu Jingqing Meng Jian |
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