微米级粒度标准物质 英文名称    Particle Size Certified Reference Materials
标准物质证书
样本供参考     
标准物质证书英文
样本供参考    
应用领域    工程技术及高聚物/粒度及浊度
保存条件    于（10~40）℃保存和运输
使用注意事项    使用前要将样品放于超声波分散器中分散1～2分钟。最小统计量1000个颗粒。本标准物质中含少量防腐剂，切勿入口。
特征形态    液态
基体    
主要分析方法    扫描电子显微镜结合图像分析法
定值单位    中国计量科学研究院
规格    10mL
定级证书量值信息     
                            
                            

                                    
                                        
                                            
                                                标准值
                                                不确定度(K=2)
                                                单位
                                                CAS
                                                备注
                                        

                                    
                                    

                                        
                                            数量平均粒径
                                                2.009
                                                0.014
                                                µm
                                                
                                                
                                        


                                    
                                    

                                        
                                            中值粒径
                                                2.008
                                                0.014
                                                µm
                                                
                                                
                                        


                                    
                                    

                                        
                                            体积平均粒径
                                                2.012
                                                0.012
                                                µm