Determination of 9 Metal Elements in Traditional Handmade Paper by ICP-AES and Their Traceability Study
摘 要
将纸张样品剪至4 mm×4 mm以下的碎片,将竹子或竹浆(竹浆手工挤去水分)原料样品剪至4 mm×4 mm×4 mm以下的碎屑,取样品0.500 0 g于聚四氟乙烯消解罐内,依次加入4 mL硝酸和2 mL过氧化氢,对于纸张样品再加2 mL水,放置15 min后进行微波消解。消解完成后于135℃左右加热30 min,赶去剩余硝酸,取下冷却(若样品消解不完全,再次加入4 mL硝酸和0.5 mL氢氟酸,重复上述消解步骤),过滤,用水定容至50.0 mL,用电感耦合等离子体原子发射光谱法测定溶液中的钾、钙、钠、镁、铜、铝、铁、锌和钡。结果表明,9种金属元素的质量浓度在一定范围内与其发射强度呈线性关系,检出限在1.0~2.0 mg·kg-1之间。对样品进行加标回收试验,回收率在81.3%~114%之间,测定值的相对标准偏差(n=7)在1.2%~6.6%之间。采用此方法对手工纸制作工艺中7个关键环节中的物料中影响手工纸质量的金属元素进行了溯源研究,测定了6种典型手工纸中9种金属元素。
Abstract
The paper sample was cut to pieces with size smaller than 4 mm×4 mm, and the bamboo or bamboo pulp raw material samples (bamboo pulp sample was squeezed out moisture) were cut to scraps with size smaller than 4 mm×4 mm×4 mm. The samples (0.500 0 g) was taken in a Teflon digestion tank, then 4 mL of nitric acid and 2 mL of hydrogen peroxide were added successively. For paper sample, 2 mL of water was added. After standing for 15 minutes, microwave digestion was carried out. After digestion, the solution was heated at 135℃ for 30 min to remove the remaining nitric acid and then cooled. If the sample digestion was incomplete, 4 mL of nitric acid and 0.5 mL of hydrofluoric acid were added, and the above digestion process was repeated. The digestion solution was filtered and the filter was diluted with water and made up to 50.0 mL. Inductively coupled plasma atomic emission spectrometry was used to determination of potassium, calcium, sodium, magnesium, copper, aluminum, iron, zinc and strontium in the solution. The results show that linear relationships were found between emission intensity and mass concentration of the 9 metal elements within definite ranges, and the detection limits were between 1.0 and 2.0 mg·kg-1. Test for recovery was made by standard additon method to samples, giving values of recovery between 81.3% and 114%. The relative standard deviations of the measured values (n=7) were between 1.2% and 6.6%. The method was used to trace the metal elements affecting the quality of handmade paper in the materials of 7 main process for making handmade paper, and 9 metal elements in 6 typical samples were determined.<
中图分类号 O657.31 DOI 10.11973/lhjy-hx201906011
所属栏目 工作简报
基金项目 市场监管总局自筹科研项目(2017Qk084)
收稿日期 2018/8/24
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备注禄春强,高级工程师,硕士,主要从事轻工产品的化学分析研究,zuoying@sqi.org.cn
引用该论文: LU Chunqiang,ZHANG Ruohong,LIU Jun,LUO Chan,SUN Duozhi,JIANG Yan,ZHAO Xia. Determination of 9 Metal Elements in Traditional Handmade Paper by ICP-AES and Their Traceability Study[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2019, 55(6): 677~682
禄春强,章若红,刘峻,罗婵,孙多志,江艳,赵霞. 传统手工纸中9种金属元素的电感耦合等离子体原子发射光谱法测定及其溯源研究[J]. 理化检验-化学分册, 2019, 55(6): 677~682
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【2】郑冬青,张金萍,何子晨,等.古代纸质文物修复用纸的研究[J].中国造纸, 2013,32(7):71-73.
【3】张平,田周玲.古籍修复用纸谈[J].文物保护与考古科学, 2012,24(2):106-112.
【4】缑梦媛.手工造纸现状与书画保存危机[J].美术观察, 2017(11):22-23.
【5】谢燕.FTIR分析FeCl3和CuCl2涂布的纤维素纸张的自然老化[J].文物保护与考古科学, 2010,22(3):86-86.
【6】袁广翔,张玉娟,戴红旗,等.金属离子对造纸湿部及成纸性能的影响[J].中国造纸学报, 2011,26(1):22-27.
【7】徐健国.常见书画保存问题发生原因、处理方法及预防之道[J].书画艺术学刊, 2013(15):81-85.
【8】刘畅,李晓岑,张春娇.传统手工纸数据服务系统研究[J].北京联合大学学报(自然科学版), 2013,27(2):89-92.
【9】易晓辉.我国古纸及传统手工纸纤维原料分类方法研究[J].中国造纸, 2015,34(10):76-80.
【10】李萍萍,雷以超.分光光度法测定溶解浆中的铁离子含量[J].造纸科学与技术, 2011,30(6):126-128.
【11】杨玮炜,李志健.包装卡纸中重金属离子含量检测[J].纸和造纸, 2013,32(10):52-54.
【12】何霜,黄冰洋,寻知庆,等.微波消解/电感耦合等离子体质谱法同时测定食品纸包装材料与食品模拟物中24种元素[J].分析测试学报, 2017,36(6):711-717.
【13】刘烽,吴骋,吴广宇,等.电感耦合等离子体原子发射光谱法测定钛合金中钯、钇、硼、铌、钽的含量[J].理化检验-化学分册, 2018,54(1):31-34.
【14】杨珺.浅议我国手工造纸的发展历史[J].攀登(哲学社会科学版), 2015,34(5):147-150.
【15】赵嫣一,陈刚.铜离子对纸张的腐蚀降解作用综述[J].文物保护与考古科学, 2015,27(1):109-115.
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