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首页> 美国卫生研究院文献>Canadian Journal of Comparative Medicine >Trace element levels in liver and kidney from cattle swine and poultry slaughtered in Canada.
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Trace element levels in liver and kidney from cattle swine and poultry slaughtered in Canada.

机译：在加拿大屠宰的牛猪和家禽的肝脏和肾脏中的微量元素含量。

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Levels of arsenic, cadmium, copper, mercury and lead were determined in approximately 650 samples of liver and kidney from cattle, swine and poultry slaughtered in Canada during 1979-81. In addition zinc levels were determined in livers and kidneys from swine, and selenium and zinc levels were determined in the livers and kidneys from cattle. Depending on the element several methods of atomic absorption spectroscopy were used to analyze samples including flame, hydride generation, cold vapour generation and graphite furnace atomization. Analyses were also done by plasma emission spectroscopy. Levels of arsenic over 2.0 micrograms/g were detected in 0.9% of swine livers and 0.3% of swine kidneys. Cadmium levels higher than 1.0 micrograms/g were detected in 0.3% of cattle livers, 10.8% of cattle kidneys, 1.8% of swine kidneys, 0.4% of poultry livers and 0.3% of poultry kidneys. Levels of copper over 150 micrograms/g were detected in 0.4% of cattle and swine livers. Levels of lead over 2.0 micrograms/g were detected in 1.4% of poultry livers and 1.6% of poultry kidneys. The highest level of mercury detected in all species was 0.25 micrograms/g and the highest level of selenium was 1.9 micrograms/g. Zinc levels of over 100 micrograms/g were detected in 1.7% of cattle livers, 0.2% of cattle kidneys and 5.0% of swine livers.
机译：在1979-81年间从加拿大宰杀的牛，猪和家禽的大约650个肝脏和肾脏样品中测定了砷，镉，铜，汞和铅的水平。另外，从猪的肝脏和肾脏中测定了锌水平，从牛的肝脏和肾脏中测定了硒和锌水平。根据元素的不同，使用了几种原子吸收光谱法来分析样品，包括火焰，氢化物生成，冷蒸气生成和石墨炉雾化。还通过等离子体发射光谱法进行了分析。在0.9％的猪肝和0.3％的猪肾中检测到砷含量超过2.0微克/克。在0.3％的牛肝脏，10.8％的牛肾脏，1.8％的猪肾脏，0.4％的家禽肝脏和0.3％的家禽肾脏中检测到镉含量高于1.0微克/克。在0.4％的牛和猪肝脏中检测到的铜含量超过150微克/克。在1.4％的家禽肝脏和1.6％的家禽肾脏中检测到铅的含量超过2.0微克/克。在所有物种中检测到的最高汞含量为0.25微克/克，硒的最高含量为1.9微克/克。在1.7％的牛肝，0.2％的牛肾和5.0％的猪肝中检出的锌含量超过100微克/克。

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