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AQA 24-17 and AQA 24-18 river and sea water characteristics

October 2024
Sample Analytes Approximate Conc. (µg/L)* Price
AUD $
AQA 24-17
S1
100 mL
River water 
preserved in
2% HNO3 (v/m),
0.01% HCl (v/m)
for
dissolved elements
Ag 0.2-5

TBA

 

Al 2-50
As 0.2-5
Be 0.2-5
Cd 0.2-5
Co 0.2-5
Cr 0.2-5
Cu 1-25
Fe 50-1000
Hg 0.1-2.5
Mn 1-25
Mo 1-25
Ni 0.2-5
Pb 0.2-5
Sb 0.2-5
Se 0.2-5
Tl 0.2-5
V 0.2-5
Zn 1-25
AQA 24-17
S2
100 mL
Sea water
preserved in
2% HNO3 (v/m)
for
dissolved elements
Ag 0.05-2
Al <25
As 0.05-5
Be 0.05-2
Cd 0.05-2
Cr 0.05-2
Cu 0.5-10
Fe 0.5-10
Hg 0.010-0.05
Mn 0.5-510
Ni 0.05-2
P <150
Pb 0.05-2
Se 0.05-5
Sn 0.05-5
Tl 0.05-5
U 0.05-5
V 0.1-5
Zn 0.5-10
AQA 24-18
S1
400 mL
Frozen sea water 
  mg/L
Ammonia-N, Nitrate-N+Nitrite-N <0.1
Chloride, Fluoride, Sulphate TBA
Dissolved Organic Carbon (dNPOC) <5
Orthophosphate-P (FRP) <0.5
Total Dissolved Nitrogen  <0.1
Total Dissolved Phosphorus <0.1
AQA 24-18
S2
2 x 200 mL
Frozen river water 
B, Ca, K, Mg, Na, P, Silica (as SiO2) <1
Ammonia-N, Nitrate-N, Nitrite-N 0.005-0.5
Bromide, Chloride, Sulphate TBA
Dissolved Organic Carbon (dNPOC) <25
Orthophosphate-P (FRP) <0.5
Total Dissolved Nitrogen  <1
Total Dissolved Phosphorus <0.5
AQA 24-18
S3
2 x 200 mL
Chilled sea water
B, Ca, K, Mg, Na, Silica (as SiO2) TBA
Alkalinity to pH 4.5 as CaCO3 <100
Total Hardness (CaCO3) <10000
pH (at 25°C), EC (at 25°C) (µS/cm) TBA
AQA 24-18 
S4
400 mL
Frozen river water
Total Kjeldahl Nitrogen, Total Nitrogen <0.5
Total Organic Carbon (as NPOC) <10

* As these samples are real samples, the values given are indicative, based on the range of materials used in previous rounds.

TBA = to be advised. 

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