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Simultaneous Determination of Heavy Metals in Strawberry by Inductively Coupled Plasma Atomic Emission Spectrometry(ICP-AES)

Ou Sha

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Abstract

A method for the simultaneous determination of the content of trace heavy metals including Cd,Cr,Cu and Pb in 5 spieces of strawberry was developed using ICP-AES in combination with dry ashing,HNO3 digestion and microwave digestion.The contents of Cd,Cr,Cu and Pb in strawberry were simultaneous determined and compared with national standard limits.The results showed that,the contents of trace heavy metals in five species of strawberry samples did not exceed the standard.The recoveries for three digestion methods including dry ashing,HNO3 digestion and microwave digestion were 85.3%–104.5%,93.2%–104.6% and 92.8%–106.3%,respectively and their RSDs were all below 20%.This method was simple,fast and accurate for rapid simultaneous determination of trace Cd,Cr,Cu and Pb in strawberry by inductively coupled plasma atomic emission spectrometry.

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What this paper is about

A method for the simultaneous determination of the content of trace heavy metals including Cd,Cr,Cu and Pb in 5 spieces of strawberry was developed using ICP-AES in combination with dry ashing,HNO3 digestion and microwave digestion.The contents of Cd,Cr,Cu and Pb in strawberry were simultaneous determined and compared with national standard limits.The results showed that,the contents of trace heavy metals in five species of strawberry samples did not exceed the standard.The recoveries for three digestion methods including dry ashing,HNO3 digestion and microwave digestion were 85.3%–104.5%,93.2%–104.6% and 92.8%–106.3%,respectively and their RSDs were all below 20%.This method was simple,fast and accurate for rapid simultaneous determination of trace Cd,Cr,Cu and Pb in strawberry by inductively coupled plasma atomic emission spectrometry.

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Available abstract

A method for the simultaneous determination of the content of trace heavy metals including Cd,Cr,Cu and Pb in 5 spieces of strawberry was developed using ICP-AES in combination with dry ashing,HNO3 digestion and microwave digestion.The contents of Cd,Cr,Cu and Pb in strawberry were simultaneous determined and compared with national standard limits.The results showed that,the contents of trace heavy metals in five species of strawberry samples did not exceed the standard.The recoveries for three digestion methods including dry ashing,HNO3 digestion and microwave digestion were 85.3%–104.5%,93.2%–104.6% and 92.8%–106.3%,respectively and their RSDs were all below 20%.This method was simple,fast and accurate for rapid simultaneous determination of trace Cd,Cr,Cu and Pb in strawberry by inductively coupled plasma atomic emission spectrometry.

Key concepts: Ashing, Microwave digestion, Inductively coupled plasma, Inductively coupled plasma atomic emission spectroscopy, Chemistry, Atomic emission spectroscopy, Inductively coupled plasma mass spectrometry, Digestion (alchemy)

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Simultaneous Determination of Heavy Metals in Strawberry by Inductively Coupled Plasma Atomic Emission Spectrometry(ICP-AES) — Research Paper | ScholarLens