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gong ye fen chen zhong you li er yang hua gui han liang de x xian yan she ce ding fa chen ji chen zhong you li er yang hua gui han liang de ce ding
Author(s): 
Pages: 9-13
Year: Issue:  2
Journal: Journal of Hygiene Research

Keyword:  二氧化硅含量工业粉尘焦磷酸内标法测定结果衍射角标准曲线石英尘游离二氧化硅衍射测定法;
Abstract: X线衍射内标法测定粉尘中游离二氧化硅含量的灵敏度为10微克,从10微克/厘米~2至10毫克/厘米~2范围的石英标准曲线,呈线性关系,准确度为±15%,该法操作简便,与焦磷酸法测定结果基本一致。
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