微米級(jí)粒度標(biāo)準(zhǔn)物質(zhì) 英文名稱    Particle Size Certified Reference Materials
標(biāo)準(zhǔn)物質(zhì)證書
樣本供參考     
標(biāo)準(zhǔn)物質(zhì)證書英文
樣本供參考    
應(yīng)用領(lǐng)域    工程技術(shù)及高聚物/粒度及濁度
保存條件    于（10~40）℃保存和運(yùn)輸
使用注意事項(xiàng)    使用前要將樣品放于超聲波分散器中分散1～2分鐘。最小統(tǒng)計(jì)量1000個(gè)顆粒。本標(biāo)準(zhǔn)物質(zhì)中含少量防腐劑，切勿入口。
特征形態(tài)    液態(tài)
基體    
主要分析方法    掃描電子顯微鏡結(jié)合圖像分析法
定值單位    中國計(jì)量科學(xué)研究院
規(guī)格    10mL
定級(jí)證書量值信息     
                            
                            

                                    
                                        
                                            
                                                標(biāo)準(zhǔn)值
                                                不確定度(K=2)
                                                單位
                                                CAS
                                                備注
                                        

                                    
                                    

                                        
                                            數(shù)量平均粒徑
                                                2.009
                                                0.014
                                                µm
                                                
                                                
                                        


                                    
                                    

                                        
                                            中值粒徑
                                                2.008
                                                0.014
                                                µm
                                                
                                                
                                        


                                    
                                    

                                        
                                            體積平均粒徑
                                                2.012
                                                0.012
                                                µm