Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Phosphorus, Orthophosphate, Colorimetry, Phosphomolybdate, Automated-Segmented Flow

Incorporation
CFR Citation
40 CFR 141.23(k)(1) Table (20) Ortho-phosphate
Document Number
USGS I-2601-90
Document Edition
1993
Record Source
legacy system
SIBR Legacy Id
40996