首页产品介绍零配件及附件Kjeldahl Tablets Copper Micro, 1000 pcs.Reduced chemical amount for small sample sizesBox of 1000 tablets, composition: 1.5 g K2SO4 / 0.15 CuSO4 ∙ 5 H2O 服务更多 服务了解我们的服务安装维护和检修认证和校准培训