UV absorptions of eleven PBDEs from tetra-BDE to deca-BDE, were measurd and compared.
测试比较了四溴到十溴等十一种多溴二苯醚(PBDE)的紫外吸收强度,发现不仅含溴原子数相同的同分异构体质量响应因子相近,溴原子数相近的多溴二苯醚质量响应因子亦相近,据此提出针对RoHS检测中标准品不可得或标准品昂贵的现实,可以用同分异构体或溴原子数相近的同聚物标准品进行定量测试。
The reproducible lithium silicate(Li4SiO4) material used for adsorption of CO2 was synthesized with lithium carbonate(Li2CO3)and silicon dioxide(SiO2) at 900 ℃ in 2 hours,and their adsorption capability of CO2 were studied.
用固相法合成了用来循环使用的吸收CO2的Li4SiO4材料。