摘要
建立了以X-5大孔吸附树脂为脱色剂,依据IUC-18标准来测定深色革中Cr(Ⅵ)含量的方法。试验表明:对深色革提取液脱色率可达90%,而对Cr(Ⅵ)吸附率小于5%,当Cr(Ⅵ)浓度在3.368~33.68μg/L范围时,回归方程C=-0.1817+584.4△A(r=0.9999)。样品加标回收率为91.3%~96.2%,相对标准偏差为3.59%~6.85%。
An analytical method of determination of Cr( Ⅵ ) in deeply - dyed leather by using X - 5 macroporous adsorption resin for IUC - 18 was established. The results showed that the decolorization rate of solution reached 90% and the adsorption rate of Cr( Ⅵ ) was below 5 %. Within the concentration range of 3. 368 -33.68 μg/L, the linear regression equation was C = -0. 181 7 + 584.4 a △ ( r = 0. 999 9 ). The recovery rate of sample was 91.3 % - 96.2% and the RSD was 3.59 % - 6.85 %.
出处
《中国皮革》
CAS
北大核心
2007年第7期47-49,共3页
China Leather
基金
宁波市科研计划项目(2003D100024)
关键词
X-5大孔吸附树脂
脱色
六价铬
深色革
x - 5 macroporous adsorption resin
decolorization
Cr(Ⅵ )
deeply - dyed leather