Progress in environmental monitoring and analytical methods
Conference
·
· Am. Chem. Soc., Div. Environ. Chem., Prepr.; (United States)
OSTI ID:7223093
A brief discussion of Richard B. Dole's water-quality sample collecting and data, begun in 1903 until his death in 1917, which led to the establishment today of 5,000 sampling stations and the publishing annually of a series of water-quality data reports by Federal and state agencies. A few of Dole's methods are still used today, such as the Jackson candle turbidimeter (Jackson-1901), the Kjeldahl digestion procedure for organic nitrogen, and the Nessler colorimetric method for measuring ammonium-ion concentrations. Alkalinity determinations are still made with the well known color indicators, and the Mohr titremetric method has not changed in 100 years. One of the greatest changes has been in expanding the number of individual constituents determined, including many minor metallics, organic substances, and an array of radioactive isotopes and compounds. Future water analysis laboratories will rely a great deal on computers.
- Research Organization:
- US Geological Survey, Lakewood, CO
- OSTI ID:
- 7223093
- Conference Information:
- Journal Name: Am. Chem. Soc., Div. Environ. Chem., Prepr.; (United States) Journal Volume: 16:1
- Country of Publication:
- United States
- Language:
- English
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