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ASTM D4638-16
- Standard Guide for Preparation of Biological Samples for Inorganic Chemical Analysis
- standard by ASTM International, 06/01/2016
- Publisher: ASTM
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1.1 This guide describes procedures for the preparation of test samples collected from such locations as streams, rivers, ponds, lakes, estuaries, oceans, and toxicity tests and is applicable to such organisms as plankton, mollusks, fish, and plants.