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
1983-04-01
At head of title: Water Division, Dept. of Transport & Works, Northern Territory. "April 1983".
English
Water quality -- Northern Territory -- Alligator Rivers Region; Hydrology -- Northern Territory -- Alligator Rivers Region
Northern Territory Government
Darwin
Report ; 49/1983
3 volumes. ; 30 cm
application/pdf
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
https://creativecommons.org/licenses/by/4.0
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]
https://hdl.handle.net/10070/229664
https://hdl.handle.net/10070/672725
https://hdl.handle.net/10070/672729; https://hdl.handle.net/10070/672727
Technical Report WRD83049 Viewed at 14:07:10 on 29/07/2010 Page 32 of 440. 31. TABLE 6.3 METHODS USED FOR GENERAL WATER &~ALYSIS (1979) DE'IER'!INATION METHOD pH "Glass Electrcde Hethcd"- APHA - 424 Specific Conductance Conductivity Bridge methcd. APFJ>. - 205 Total residue on APHA 208B. lOOml of filtered sample evaporation evaporated w.d dried at lSOOC. Total suspended matter APPA 208D. Sampled filtered through glass fibre filters ar.d dried at 1050C Turbidity N.T.U. Nephelanetric metr.cd using Each meter and standards provided wi G'l. t.loe instrument APHA 214A. 0.1 pH unit 5% + - mg/1 + - mg/l o. 0 5 in t.loe range 0 - 1 unit o. l in G'le range 1 - 10 units I I I I I I I carbonate Bicarb::mate APHA - 403 (alkalinity). Procedure 4d using auto-titration to pH 8. 3 for carbonate and 4. 5 and 4. 2 for bicarbonate. 0. 3 mg/1 expressed I as caco1 CalciliDl ~lagnesiliDl Scdium Potassium Chloride Sulphate Nitrate Nitrite A!1tronia Atomic absorption using a nitrous ) oxide acetylene flame with cesium to ) suppress ionisation. ) Atomic absorption using an airacetylene flarr.e wit.lo cesium to suppress ionisation. AP!'A - 408C. Arge.'Otanetric methcd using electro-metric end point detection ) ) ) ) ) ) ) 5% 0 2% in the range 2mg/l over 2 mg/1 0. 25 mg/1 in the range 0 - 20 mg/1 over 20 mg/l to 1% 0 .1 rr.g/1 Auto analyser Techniccn II Hecrro 226-72W using ionexcb2mge column to rerrove cations and measure:nent of unreacted barium wit.lo methyl t.'lyrnol blue %'ater samples concentrated by evaporation 10 times prior to reading, lirni t of detection 0.1 mg/1. ~!ethcd also listed as 607 in APHA. Auto analyser Technicon II methcd 158-71W USL'1g sulpb~lawide and NNaphthylethylenediamine with cadmium reduction cclumio. Hethod also listed as 605 in APHA. ::o. 01 mg/l As abcve wit.loout reduction column-limit 0.001 mg/1 of detection new 0. 001 mg/1. Selective ion electrcde Orion irostruction mw.ual for electrcde 95-10. Q. 01 mg/1 I I I I I I I I I I I I