| 分子式 |
羟乙基淀粉
编号:A27110-500g CAS号:9005-27-0 规格:500g 浓度:≥98.0%
蔗糖标准品
编号:BWJ4318-2016 CAS号:57-50-1 规格:2g 浓度:99.0%
氮中二氧化硫气体标准物质
编号:GBW(E)062472 规格:4L 浓度:400ppm/1000ppm/1600ppm各一瓶
氮中一氧化氮气体标准物质
编号:GBW(E)062474 规格:4L 浓度:200ppm/500ppm/800ppm各一瓶
Ru钌粉
编号:NCS1492 规格:5g 浓度:99.99%
锌粉
编号:NCS1765 规格:50g 浓度:99.999%