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NCG-1冷原子吸收测汞仪

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  • 公司名称江苏杰瑞尔电器有限公司
  • 品       牌
  • 型       号
  • 所  在  地常州市
  • 厂商性质其他
  • 更新时间2023/2/18 12:45:59
  • 访问次数221
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测量范围:0-10ng/ml0-10ppb如有特殊规格要求,请致电
NCG-1冷原子吸收测汞仪 产品信息

 

一、序言

汞及其化合物的*性质,在科研和生产领域得到广泛应用,但也带来了环境污染,并对生物造成了危害因此汞的监测得到国家很大的重视,并规定了空气中汞蒸汽浓度在居住区不得超过0.0003mg/m3,工业生产区不得超过0.01mg/m3,生活饮用水含汞量不超过1ug/L(1ppb)。近年来由于此项工作的不断发展,微量汞的分析方法也在不断改进,对测汞仪的全性能要求也越来越高。鉴于目前冷原子吸收法仍为一种主要的测汞手段,所以本厂对国内现有的测汞仪进行了比较,在此基础上研制生产了NCG—1型冷原子吸收测汞仪,该仪器极大改善了漂移和噪声,提高了灵敏度和精确度,具有数保持功能。

二、仪器的性能

1测量范围:0-1000g/ml(高于10ng/ml稀释)

2、检出下限:≤0.05ng/ml(0.05ppb) 

3、稳定性:零点漂移:1%(F.S)/4h

4线性相关系数:R≥0.995 

5、变异系数:cv5%

6、数显保持误差:1%/min

7、流量调节范围:0-2.5L/min 

8、正常工作条件:a、温度:5-40℃ 

b、湿度:85%

c、供电:220V±10%  50±0.5HZ

9、仪器外形尺寸:430×420×165mm3

 

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