动态光散射粒度仪校骋�/span>粒度标准物质（单分散纳米微球（�/span>

（水悬浮液，固含野�/span>1Wt%＋�/span>10ml/瓶）

标物缕�/span>叶�/span>	材质	Z-平均粒径 和不确定�?/span>	仪测野�/span> 允许误差1	价格 兂�/span>/瓵�/span>
GBW12011b	聚苯乙烯	80± 1.5 nm	4.3nm	1100
GBW(E)120064a	聚苯乙烯	129±3 nm	7nm	800
QBW12001	聚苯乙烯	40.2±0.5 nm	2.1nm	600
QBW12002	二氧化硅	48.5±0.8 nm	2.6nm	600
QBW12003	二氧化硅	34±0.5 nm	1.8nm	600

仪器测量允许误差９�img src="//www.znpla.com/img1/img/daily/2023/11/30/163628_016882_procont.png" title="163628_016882_procont.png" alt="image.png" width="118" height="43" style="width: 118px; height: 43px;"/>，式�?img src="//www.znpla.com/img1/img/daily/2023/11/30/163657_872421_procont.png" title="163657_872421_procont.png" alt="image.png" width="33" height="27" style="width: 33px; height: 27px;"/>是有证标准物质的不确定度＋�img src="//www.znpla.com/img1/img/daily/2023/11/30/163737_562031_procont.png" title="163737_562031_procont.png" alt="image.png"/>是测量仪器允许不确定度、�/span>

动态光散射法（ISO22412:2017(E）粒度仪本身的测量不确定�?span style="font-family:Times New Roman">2.5%、�/span>