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Page Last Updated: 6/15/2004
 

DRI-CALTM粒子尺寸标准,5100um
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Duke科学公司提供这些产品用来标定粒子计数器,这类计数器一般要求5100微米的干粒子。为方便使用,本产品为1克装微粒悬浮液,用者可将微粒直接分散到样品室中,但不适于分散到液体媒介中。微粒的平均粒径由美国国家标准技术院(NIST)可溯源检测。

DRI-CALTM粒子尺寸标准的是由苯乙烯交联DVB(二乙烯基苯)共聚物组成,微球的密度是1.05g/cm3,折光系数为1.59@589nm

经过检定的平均粒径是通过NIST标定的镜台千分尺标定的光学显微镜检测的,粒径分布由电阻法粒径仪测定。每一瓶DRI-CALTM产品的最终完成都包括一个标定的认证证书和可溯源检测以及原材料的安全数据表。

MSDS (PDF)     Product Bulletin (PDF)

Catalog Number Nominal Diameter NIST Traceable Mean Diameter Size Distribution
Std. Dev & CV
Approx. Count per Gram
1 gram Package
DC-05 5µm 4.8µm ± 0.4µm 0.5µm (11%) 1.6x 1010
DC-06 6µm 6.0µm ± 0.4µm 0.9µm (15%) 8.4 x 109
DC-07 7µm 6.7µm ± 0.4µm 0.7µm (11%) 6.0 x 109
DC-08 8µm 7.5µm ± 0.5µm 0.8µm (11%) 4.3 x 109
DC-10 10µm 10.4µm ± 0.5µm 0.7µm (6.7%) 1.6 x 109
DC-15 15µm 14.9µm ± 0.6µm 1.2µm (8.1%) 5.5 x 108
DC-20 20µm 20.1µm ± 0.7µm 1.8µm (9.0%) 2.2 x 108
DC-25 25µm 25.2µm ± 1.0µm 2.5µm (9.9%) 1.1 x 108
DC-50 50 µm 49.7µm ± 2.0µm 3.4µm (6.8%) 1.5 x 107
DC-70 70µm 68.2 ± 3.0µm 3.7µm (5.4%) 5.7 x 106
DC100 100µm 108µm ± 4µm 9.8µm (9.1%) 1.4 x 106
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Monday, July 12, 2004     >> ENGLISH VERSION  
 
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