A catalytic spectrophotometry for the determination of trace amount of vanadium was developed based on its catalytic eff......

讨论了重铬酸盐法测定化学需氧量实验过程中不确定度的来源，评定了化学需氧量测定结果的不确定度。结果表明。测定结果的不确定度主......

利用低碳醇作还原剂制备了'低碳醇-铬鞣剂',考察了这类铬鞣液的耐碱稳定性和粘度等物理化学性能,并对它们的蒙囿性和鞣制......