| 分子式 |
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
活性碳(粉,颗)
编号:135932 CAS号:7440-44-0 规格:500g 浓度:AR粉
氧化钬
编号:C10007-25g CAS号:12055-62-8 规格:25g 浓度:≥99.99%
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