The content presented here represents the most current version of this section, which was printed in the 24th edition of Standard Methods for the Examination of Water and Wastewater.

1050 EXPRESSION OF RESULTS

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1050 A. Units References
1. The International System of Units (SI), 9th ed. Sevres (France): Bureau International des Poids et Mesures; 2019. Google Scholar
2. Cohen ER, Cvitas T, Frey JG, Holstrom B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, et al, eds. Quantities, units and symbols in physical chemistry, 3rd ed. Cambridge (UK): Royal Society of Chemistry; 2007. Google Scholar
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1050 B. Significant Figures References
1. Standard practice for using significant digits for test data to determine conformance with specifications; E29-93. West Conshohocken (PA): ASTM International; 1993. Google Scholar
2. Graham DM. Significant figure rules for general arithmetic functions. J Chem Ed. 1989;66(7):573. Google Scholar
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1050 C. Other Considerations References
1. Texas Instruments. Personal programming. Dallas (TX): Texas Instruments; 1977. Google Scholar
2. Hewlett Packard. Advanced scientific calculator; Owner’s Manual, HP-28S. 4th ed. Corvallis (OR): Hewlett Packard Co.; 1988. Google Scholar
3. Harris DC. Quantitative chemical analysis. New York (NY): W.H. Freeman & Co.; 1982. Google Scholar
4. Scarborough JG. Numerical mathematical analysis, 3rd ed. Baltimore (MD): Johns Hopkins Press; 1955. Google Scholar
5. Guedens WJ, Yperman J, Mullens J, VanPoucke LC, Pauwels EJ. Statistical analysis of errors: A practical approach for an undergraduate chemistry lab. Part I. The concepts. J Chem Edu. 1993;70(9):776. Google Scholar
6. Guedens WJ, Yperman J, Mullens J, Van Poucke LC, Pauwels EJ. Statistical analysis of errors: A practical approach for an undergraduate chemistry lab. Part 2. Some worked examples. J Chem Edu. 1993;70(10):838. Google Scholar

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Standard Methods Committee of the American Public Health Association, American Water Works Association, and Water Environment Federation. 1050 expression of results In: Standard Methods For the Examination of Water and Wastewater. Lipps WC, Baxter TE, Braun-Howland E, editors. Washington DC: APHA Press.

DOI: 10.2105/SMWW.2882.008

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