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近十几年来,测定头发中所含的各种金属成分作为接触该物质的指标,已陆续有些报导,有人提出将发铅含量作为诊断急性铅中毒的一个指标。我们测定了上海市一般居民和铅作业工人头发中的含铅量,试图了解发铅含量水平与铅接触程度的关系。一、测定方法: 1.头发的收集:为收集方便,采用理发时的末端头发作为样本。2.头发的清洗:为去除头发表面的污物,尤其是污染的铅,先将发样用热肥皂水浸洗2～3次,再用热水及自来水多次冲洗,直至无肥皂泡沫。用1%热硝酸溶液浸泡3
In the past decade or so, the determination of the various metal components contained in the hair as an indicator of exposure to the substance has been reported some time after time. Someone has proposed that the content of lead be used as an indicator for the diagnosis of acute lead poisoning. We measured the amount of lead in the hair of Shanghai residents and lead workers in an effort to understand the relationship between lead levels and lead exposure. First, the determination of methods: 1. Hair collection: For the collection of convenience, the use of hair when the end of the hair as a sample. 2. Hair Cleansing: To remove the dirt on the hair surface, especially lead contamination, first soak it in hot soapy water for 2-3 times and then rinse it with hot water and running water until there is no soapy foam. Soak 3 with 1% hot nitric acid solution