[探索在尘埃中具有不同晶体形式的自由二氧化检测方法]
1Occupational and Environmental Testing and Inspection Center, The Third People's Hospital of Henan Province (Henan Hospital for Occupational Diseases), Henan Provincial Key Laboratory of Chemical Toxicology Detection, Zhengzhou 450052, China.
概括
酸盐和红外光谱光度测量方法在检测α型自由二氧化时没有显著差异. 然而,酸盐方法对β,和混合晶体自由的检测更为敏感.
科学领域:
- 职业健康 职业健康 职业健康
- 分析化学 分析化学
- 矿物学是什么?矿物学是什么?
背景情况:
- 准确检测灰尘中的自由是职业健康的关键.
- 不同的自由的晶体形式可能需要特定的分析方法.
- 现有的方法需要对其在各种多态体中的适用性进行评估.
研究的目的:
- 为了比较酸盐和红外光谱光度测量方法的准确性和适用性,用于检测自由.
- 确定这些方法适用于不同晶体形式的自由二氧化 (α,β,gamma) 的适用性.
- 为选择适当的自由二氧化检测技术提供基础.
主要方法:
- 从河南省18个城市的20家企业收集了尘埃样本.
- 用X射线衍射 (XRD) 来进行晶体形状的分类.
- 根据GBZ/T 192.4-2007标准,使用酸盐方法和红外光谱光度测量进行了定量分析.
主要成果:
- 尘埃样本被XRD分为α,β,gamma和混合α-gamma晶体类型.
- 对于α型自由的酸盐和红外线方法之间没有发现显著差异 (P=0.180).
- 与红外光谱仪相比,酸盐方法对β,gamma和混合α-gamma结晶自由二氧化产生了显著更高的结果 (P<0.001).
结论:
- 酸盐和红外光谱光度法都适合检测α型自由.
- 酸盐方法证明了它对于检测β,gamma和混合alpha-gamma结晶形式的自由二氧化具有卓越的适用性.
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