Studies of Sewage Purification: XVI. Determination of Dissolved Oxygen in Activated Sludge-Sewage Mixtures

Ruchhoft, C. C.; Placak, O. R.

doi:10.2307/4584162

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1943

1978

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Cited by 4 publications

(3 citation statements)

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“…Chambers and Kabler found no detectable nonbiological degradation (15). Extremes in pH (18)(19)(20)(21)(22), temperature (23)(24)(25)(26), and the use of toxic chemicals (27)(28)(29) have been used to reduce microbiological activity in aqueous solution. Strong base (4, 30, 31), acid (4), and copper sulfate-phosphoric acid (11,12) in combination with temperature control have been used to stabilize phenolic compounds in surface waters.…”

Section: Resultsmentioning

confidence: 99%

Preservation of phenolic compounds in Wastewaters

Carter¹,

Huston²

1978

Environ. Sci. Technol.

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Section: Resultsmentioning

confidence: 99%

Preservation of phenolic compounds in Wastewaters

Carter¹,

Huston²

1978

Environ. Sci. Technol.

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“…However, a 10% chloroform solution in acetone separated nickel from copper quantitatively (3). Laskowski and McCrone (4) successfully separated several ions using chloroform on paper impregnated with 8-quinolinol. But none of these studies can be regarded as a complete, systematic investigation of the usefulness of chloroform.…”

Section: Resultsmentioning

confidence: 99%

Elimination of Nitrogen Dioxide Interference in the Determination of Sulfur Dioxide.

West¹,

Ordoveza²

1962

Anal. Chem.

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In the spectrophotometric estimation of sulfur dioxide with hydrochloric acidbleached pararosaniline hydrochloride and formaldehyde, interference due to oxides of nitrogen has been eliminated without complication of the original procedure of West and Gaeke (5). Addition of 0.06% sulfamic acid to 0.1 M sodium tetrachloromercurate(ll) used as absorbing solution for sulfur dioxide from the atmosphere immediately destroys any nitrogen dioxide present.

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“…(17) Kinsel, A., and Schindler, H., private communication for L. Sonneborn Sons, Inc. (18) Padgett, F. W., Oil Gas J., 36, No. 38, 30-2, 45-6 (Feb. 3,1938). ( 19) Wilson, W. J., and Downer, R. E., "Science of Petroleum," Vol.…”

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confidence: 99%