Shimadzu Scientific Instruments Inc

Fast, Sensitive, and Cost-effective ICPE Spectrometry Analysis of Trace Metals in Water by EPA Method 200.7

Courtesy of Shimadzu Scientific Instruments Inc

Introduction

The Shimadzu ICPE-9820 multi-type ICP atomic emission spectrometer is the ideal instrument for running EPA Method 200.7. The ICPE-9820 permits simultaneous analysis of all elements, at all wavelengths, allowing high-throughput analysis with little need for dilution. The large 1-inch CCD detector with over 1 million pixels measures 110,000 wavelengths. Overflow channels prevent blooming, providing more active surface area on the detector. Equipped with a mini-torch, the instrument can achieve excellent sensitivity while cutting argon consumption in half. The vacuum-sealed optical bench further reduces argon consumption and provides stable measurements down to 167 nm. The vertically orientated torch minimizes the adhesion of sample to the walls of the torch reducing clogging and memory affects. With dual view capabilities, the instrument automatically switches between axial and radial viewing to allow up to nine orders of magnitude measurement.

Procedure

EPA Method 200.7, Trace Elements in Water, Solids, and Biosolids by Inductively Coupled Plasma-Atomic Emission Spectrometry, describes the procedure and requirements for multi-element determinations by Inductively Coupled Plasma – Atomic Emission Spectrophotometry (ICP-AES). This study demonstrates that the Shimadzu ICPE-9820 is capable of producing results that comply with U.S. EPA Method 200.7. With the addition of the ASC-9800 Auto-sampler and the Standard Addition Kit, the spectrometer is well equipped to handle environmental samples quickly and accurately.

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