Alligator Rivers region regional surface water quality monitoring : November 1978 - April 1981
Alligator Rivers Region - Regional Surface Water Quality Monitoring, Volumes 1,2,3 (Plus draft)
Northern Territory. Department of Transport and Works. Water Division, Environmental Section
E-Publications; E-Books; PublicationNT; Report ; 49/1983
At head of title: Water Division, Dept. of Transport & Works, Northern Territory. "April 1983".
Water quality -- Northern Territory -- Alligator Rivers Region; Hydrology -- Northern Territory -- Alligator Rivers Region
Northern Territory Government
Report ; 49/1983
3 volumes. ; 30 cm
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
https://hdl.handle.net/10070/672725 [Alligator Rivers region regional surface water quality monitoring : November 1978 - April 1981 - WRD83049_v_1.pdf]; https://hdl.handle.net/10070/672727 [Alligator Rivers region regional surface water quality monitoring : November 1978 - April 1981 - WRD83049_v_2.pdf]; https://hdl.handle.net/10070/672729 [Alligator Rivers region regional surface water quality monitoring : November 1978 - April 1981 - WRD83049_v_3.pdf]
Technical Report WRD83049 Viewed at 14:07:10 on 29/07/2010 Page 31 of 440. I I I I I I I I I I I I I I I I I I I Detennination Calcium Hagnesium ) Sodium ) Potassium ) Bicarbonate Chloride Sulphate Nitrate/Nitrite (as N) Ammonia (as N) Phosphate (as P) 30. TABLE 6. 2 MET'rlODS USED FO!l. WATER Ac'lALYSIS (1980/81) Method Inductively Coupled Plasma Atomic Emission Spectroscopy Autotitration to pH 8.3 (carbonate) pH 4.5 and 4.2 (bicarbonate) APHA-408c Argentometric, using electrornetric end point detection Inductively Coupled Plasma Spectroscopy Auto analyser Technicon II - method 158-71W using Sulphanilamide/NNapthylethylenediamine with cadmi~~ reductor column Selective ion electrode Orion instruction manual for electrode 95-10 U.S.E.P.A. Cincinnatti Ohio- Ascorbic acid reduction method also listed APHA 425F, 14th Edition 1975. Total Phosphorous As for phosphate method above but after (as P) evaporation wi~~ acid and persulphate. Total carbon (organic) as (c) Total Ni t.::ogen (as N) Copper ) Lead ) Zinc ) cadmium l Manganese ) Iron Radium Uranium Mercury Arsenic Nickel Chromium Molybdenun Listed in APHA method 425c, 14th Edition 1975. By TOC sin II aqueous carbon analyser catalytic conversion of carbon to methanol and flame measurement As for ~~onia-nitrogen but predigestion with copper sulphate/ selenium powder/sulphuric acid Filament in Furnace Atomic Absorption Spectroscopy A.A.S. after tenfold concentration Via Radon emination with scintillome~f in zinc sulphide lined cells Fluorimetry after tenfold concentration Cold Vapour A.A.S. measurement Hydride evolution A.A.S. measurement Electrothermal atomization Atomic Absorption Spectroscopy In residues Detection Li~it 0.05 mg/1 0.05 mg/1 0.05 mg/1 0.05 mg/1 0.01 mg/1 0.1 mg/1 0.01 mg/1 0.1 mg/1 0.01 mg/1 0.01 mg/1 0.003 mg/l 0.003 mg/1 0.05 mg/1 0.5 ).lg/1 0.5 j..lg/1 0.5 11g/l 0.05 ).lg/1 0.5 119/1 10 119/1 0.5 pCi/1 0.1 ).lg/1 0.05 J.lg/1 0.2 ).lg/1 0.5 ).lg/1 0.5 ]lg/1 1.0 11g/l
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