| 分子式 | O3Sc2 |
硅微粉
编号:D63156-100g CAS号:7631-86-9,60676-86-0 规格:100g 浓度:≥99.99%,粒径:2μm
氯胺T三水合物
编号:B29895-100g CAS号:7080-50-4 规格:AR100g 浓度:98%
碳硫专用标样
编号:YSBC11255-2015 规格:100g 浓度:2组分
碘
编号:A10763-250g CAS号:7553-56-2 规格:250g 浓度:AR,≥99.8%
铬黑T
编号:C12277-25g CAS号:1787-61-7 规格:25g 浓度:IND
氧化钙
编号:C12167 CAS号:1305-78-8 规格:GR,500g