化学分析计量
化學分析計量
화학분석계량
CHEMICAL ANALYSIS AND METERAGE
2013年
4期
21-23
,共3页
洪华%李培才%申晓萍%刘沙%高丽%王红卫
洪華%李培纔%申曉萍%劉沙%高麗%王紅衛
홍화%리배재%신효평%류사%고려%왕홍위
含银功能性纤维%银含量%双硫腙四氯化碳%分光光度法
含銀功能性纖維%銀含量%雙硫腙四氯化碳%分光光度法
함은공능성섬유%은함량%쌍류종사록화탄%분광광도법
silver-contained functional fiber%silver content%dithizone-carbon tetrachloride%spectrophotometry
利用双硫腙-四氯化碳萃取分光光度法对含银功能性纤维中的银元素含量进行分析测定。对3种样品消解方法进行了优化选择,并对检测波长、吸光度稳定性、检出限、方法精确度等进行了考察。实验结果表明,方法的最低低检出量为0.3μg,测定结果的相对标准偏差为2.1%(n=9)。在0.50,1.00,2.00 mg/kg 3个水平的加标回收率为94.0%~98.5%。该方法可用于含银功能性纤维中的银含量测定。
利用雙硫腙-四氯化碳萃取分光光度法對含銀功能性纖維中的銀元素含量進行分析測定。對3種樣品消解方法進行瞭優化選擇,併對檢測波長、吸光度穩定性、檢齣限、方法精確度等進行瞭攷察。實驗結果錶明,方法的最低低檢齣量為0.3μg,測定結果的相對標準偏差為2.1%(n=9)。在0.50,1.00,2.00 mg/kg 3箇水平的加標迴收率為94.0%~98.5%。該方法可用于含銀功能性纖維中的銀含量測定。
이용쌍류종-사록화탄췌취분광광도법대함은공능성섬유중적은원소함량진행분석측정。대3충양품소해방법진행료우화선택,병대검측파장、흡광도은정성、검출한、방법정학도등진행료고찰。실험결과표명,방법적최저저검출량위0.3μg,측정결과적상대표준편차위2.1%(n=9)。재0.50,1.00,2.00 mg/kg 3개수평적가표회수솔위94.0%~98.5%。해방법가용우함은공능성섬유중적은함량측정。
The silver content in silver-contained functional fiber was determined by dithizone-carbon tetrachloride extraction spectrophotometry. Three sample pre-treatment methods were compared and optimized. The selection of wavelength, stability of absorbance, detection limit, accuracy and precision of the method were discussed. The experiment results showed that the detection limit was 0.3μg and the relative standard deviation was 2.1%(n=9). The recovery rate at 0.50,1.00,2.00 mg/kg level was 94.0%-98.5%. The method can be used to determine the silver content in silver-contained functional fiber.