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The document details the procedure for determining carbon and nitrogen content using the Perkin Elmer CHNS/O Analyzer 2400 Series II, which employs a combustion method to convert sample elements into gases for measurement. Calibration is achieved through known standards, and various types of blanks are used to ensure instrument stability and accuracy. Sample processing involves filtering water samples through Whatman glass fiber filters, followed by specific drying and acid treatment steps before analysis,

Author

yingzhan

Language

EN