ゴム製器具・容器包装における亜鉛試験の試験室間共同試験

柴田 博; 六鹿 元雄; 阿部 裕; 伊藤 禎啓; 大坂 郁恵; 大野 春香; 大野 浩之; 大野 雄一郎; 尾崎 麻子; 柿原 芳輝; 小林 尚; 城野 克広; 関戸 晴子; 薗部 博則; 高坂 典子; 但馬 吉保; 田中 葵; 田中 秀幸; 中西 徹; 野村 千枝; 羽石 奈穂子; 疋田 晃典; 三浦 俊彦; 山口 未来; 渡辺 一成; 穐山 浩

doi:10.3358/shokueishi.56.123

Reports

Interlaboratory Study on Zinc Test for Food-Contact Rubber Products

Hiroshi SHIBATA, Motoh MUTSUGA, Yutaka ABE, Sadahiro ITOU, Ikue OHSAKA, Haruka OHNO, Hiroyuki OHNO, Yuichiro OHNO, Asako OZAKI, Yoshiteru KAKIHARA, Hisashi KOBAYASHI, Katsuhiro SHIRONO, Haruko SEKIDO, Hironori SONOBE, Noriko TAKASAKA, Yoshiyasu TAJIMA, Aoi TANAKA, Hideyuki TANAKA, Toru NAKANISHI, Chie NOMURA, Nahoko HANEISHI, Akinori HIKIDA, Toshihiko MIURA, Miku YAMAGUCHI, Kazunari WATANABE, Hiroshi AKIYAMA

Author information

Hiroshi SHIBATA
Tokyo Kenbikyo-in
Motoh MUTSUGA
National Institute of Health Sciences
Yutaka ABE
National Institute of Health Sciences
Sadahiro ITOU
Japan Food Hygiene Association
Ikue OHSAKA
Saitama Prefectural Institute of Public Health
Haruka OHNO
Aichi Prefectural Institute of Public Health
Hiroyuki OHNO
Nagoya City Public Health Research Institute
Yuichiro OHNO
Research Center of Chiba Pharmaceutical Association
Asako OZAKI
Osaka City Institute of Public Health and Environmental Sciences
Yoshiteru KAKIHARA
Japan Grain Inspection Association
Hisashi KOBAYASHI
Food Analysis Technology Center SUNATEC
Katsuhiro SHIRONO
National Institute of Advanced Industrial Science and Technology
Haruko SEKIDO
Kanagawa Prefectural Institute of Public Health
Hironori SONOBE
Japan Recreation and Miscellaneous Goods Safety Laboratory
Noriko TAKASAKA
Hatano Research Institute, Food and Drug Safety Center
Yoshiyasu TAJIMA
Japan Inspection Association of Food and Food Industry Environment
Aoi TANAKA
Nippon Kaiji Kentei Kyokai
Hideyuki TANAKA
National Institute of Advanced Industrial Science and Technology
Toru NAKANISHI
Japan Food Research Laboratories
Chie NOMURA
Osaka Prefectural Institute of Public Health
Nahoko HANEISHI
Tokyo Metropolitan Institute of Public Health
Akinori HIKIDA
Nagano Environmental Conservation Research Institute
Toshihiko MIURA
Japan Frozen Foods Inspection Corporation
Miku YAMAGUCHI
National Institute of Health Sciences
Kazunari WATANABE
Japan Chemical Innovation and Inspection Institute
Hiroshi AKIYAMA
National Institute of Health Sciences

Keywords: zinc, migration test, atomic absorption spectrometry, induced coupled plasma-optical emission spectrometry, induced coupled plasma-mass spectrometry, interlaboratory study

JOURNAL FREE ACCESS

2015 Volume 56 Issue 3 Pages 123-131

DOI https://doi.org/10.3358/shokueishi.56.123

Details

Abstract

Using six kinds of zinc solution in water and 4% acetic acid as samples, an interlaboratory study was performed to evaluate a zinc (Zn) test method for food-contact rubber products, based on the Japanese Food Sanitation Law. Eighteen laboratories participated, and quantified Zn in six test solutions as blind duplicates using flame atomic absorption spectrometry, induced coupled plasma-optical emission spectrometry or induced coupled plasma-mass spectrometry. Statistical analysis revealed that the trueness, repeatability (RSDr) and reproducibility (RSDr) were 97–103%, 0.7–4.9% and 1.7–8.9% by all measuring methods. The values of the performance parameter fulfilled the target value (trueness: 80–110%, RSDr: 10%, RSDr: 25%). The performance of these methods is sufficient for testing the adherence of samples to the specifications.

Corresponding author

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