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Main Title Method Selection Study 1. A Comparison of Three Modifications of the Single Reagent Method for Soluble Orthophosphate.
Author Winte, John A. ; Boot, Robert L. ;
CORP Author National Environmental Research Center, Cincinnati, Ohio. Analytical Quality Control Lab.
Year Published 1969
Report Number EPA-16020-M-01;
Stock Number PB-206 901
Additional Subjects ( Phosphates ; Colorimetric analysis) ; ( Water analysis ; Phosphates) ; Chi square test ; Phosphorus inorganic compounds ; Quantitative analysis ; Water pollution detection
Library Call Number Additional Info Location Last
NTIS  PB-206 901 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 43p
Abstract Quantitative analytical recoveries of soluble orthophosphate added to distilled and natural water samples at the 0.2 mg P/1 level were compared using modifications of the mixed reagent method suggested by Edwards, Molof, and Schneeman, and Murphy and Riley. The method of Murphy and Riley was shown to have the best precision and accuracy and the least bias. It is selected as the FWPCA Interim Official Method. (Author)
NTIS Title Notes Final rept..
PUB Date Free Form Apr 69,
Category Codes 7B; 8H; 59A; 64H; 68D
NTIS Prices PC A03/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 326525951
Origin NTIS
Type CAT