An interlaboratory comparison exercise for the determination of microplastics in standard sample bottles

被引：67

作者：

Isobe, Atsuhiko ^{[1
]}

Buenaventura, Nina T. ^{[2
]}

Chastain, Stephen ^{[3
]}

Chavanich, Suchana ^{[4
]}

Cozar, Andres ^{[5
]}

DeLorenzo, Marie ^{[6
]}

Hagmann, Pascal ^{[7
]}

Hinata, Hirofumi ^{[8
]}

Kozlovskii, Nikolai ^{[9
]}

Lusher, Amy L. ^{[2
]}

Marti, Elisa ^{[5
]}

Michida, Yutaka ^{[10
]}

Mu, Jingli ^{[11
]}

Ohno, Motomichi ^{[12
]}

Potter, Gael ^{[7
]}

Ross, Peter S. ^{[3
]}

Sagawa, Nao ^{[8
]}

Shim, Won Joon ^{[13
]}

Song, Young Kyoung ^{[13
]}

Takada, Hideshige ^{[14
]}

Tokai, Tadashi ^{[15
]}

Torii, Takaaki ^{[16
]}

Uchida, Keiichi ^{[15
]}

Vassillenko, Katerina ^{[3
]}

Viyakarn, Voranop ^{[4
]}

Zhang, Weiwei ^{[11
]}

机构：

[1] Kyushu Univ, Res Inst Appl Mech, 6-1 Kasuga Koen, Kasuga, Fukuoka 8168580, Japan

[2] Norwegian Inst Water Res, Gaustadalleen 21, Oslo, Norway

[3] Ocean Wise Conservat Assoc, Coastal Ocean Res Inst, POB 3232, Vancouver, BC V6B 3X2, Canada

[4] Chulalongkorn Univ, Fac Sci, Dept Marine Sci, Bangkok 10330, Thailand

[5] Univ Cadiz, Inst Univ Invest Marinas, Fac Ciencias Mar & Ambientales, Dept Biol, Campus Excelencia Int Mar, E-11510 Puerto Real, Spain

[6] NOAA, Natl Ocean Serv, Natl Ctr Coastal Ocean Sci, 219 Ft Johnson Rd, Charleston, SC USA

[7] Assoc Oceaneye, Rue Montbrillant 30, CH-1201 Geneva, Switzerland

[8] Ehime Univ, 3 Bunkyo Cho, Matsuyama, Ehime 7908577, Japan

[9] Russian Acad Sci, Far Eastern Branch, Pacific Geog Inst, Radio 7, Vladivostok 690041, Russia

[10] Univ Tokyo, Atmosphere & Ocean Res Inst, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778564, Japan

[11] Natl Marine Environm Monitoring Ctr, Linghe St 42, Dalian 116023, Peoples R China

[12] IDEA Consultants Inc, Inst Environm Informat, Tsuzuki Ku, 2-2-2 Hayabuchi, Yokohama, Kanagawa 2240025, Japan

[13] Korea Inst Ocean Sci & Technol, Oil & POPs Res Grp, Geoje Shi 53201, South Korea

[14] Tokyo Univ Agr & Technol, Lab Organ Geochem, Fuchu, Tokyo 1838509, Japan

[15] Tokyo Univ Marine Sci & Technol, 4-5-7 Konan, Tokyo 1088477, Japan

[16] IDEA Consultants Inc, Inst Environm Ecol, 1334-5 Riemon, Yaizu 4210212, Japan

来源：

MARINE POLLUTION BULLETIN | 2019年 / 146卷

关键词：

Microplastics; Quantification; Standardized protocol; ATLANTIC-OCEAN; POLLUTION;

D O I：

10.1016/j.marpolbul.2019.07.033

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

An interlaboratory comparison exercise was conducted to assess the consistency of microplastic quantification across several laboratories. The test samples were prepared by mixing one liter seawater free of plastics, microplastics made from polypropylene, high- and low-density polyethylene, and artificial particles in two plastic bottles, and analyzed concurrently in 12 experienced laboratories around the world. The minimum requirements to quantify microplastics were examined by comparing actual numbers of microplastics in these sample bottles with numbers measured in each laboratory. The uncertainty was due to pervasive errors derived from inaccuracies in measuring sizes and/or misidentification of microplastics, including both false recognition and overlooking. The size distribution of microplastics should be smoothed using a running mean with a length of > 0.5 mm to reduce uncertainty to less than +/- 20%. The number of microplastics < 1 mm was underestimated by 20% even when using the best practice for measuring microplastics in laboratories.

引用

页码：831 / 837

页数：7

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