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AQA Water Characteristics (Seawater)

October 2018

 
        AQA 18-16 WATER CHARACTERISTICS (SEAWATER)

Sample

Analytes

Approximate Conc. Range (ug/L)*

Price
AU $

S1
100 mL
filtered seawater
(low level)
preserved in
2% HNO3 (v/m)
for
dissolved elements

Al

<50

Price TBA

.

Ag

<10

As

<10

Be

<10

Cd

<10

Co

<10

Cr

<10

Cu

<10

Fe

<50

Hg

<10

Mn

<10

Ni

<10

Pb

<10

Se

<10

Sn

<10

V

<10

Zn

<10

S2
100 mL
unfiltered seawater
(high level)
preserved in
2% HNO3 (v/m)
for
total elements

Al

<200

Ag

<50

As

<50

Ba

<50

Cd

<50

Cr

<50

Cu

<50

Fe

<200

Mn

<50

Mo

<50

Ni

<50

P

<500

Pb

<50

Sb

<50

Se

<50

V

<50

Zn

<50

S3
500 mL
unfiltered seawater

 

mg/L

B, total

<5000

Ca, total

<1000

K , total

<1000

Mg, total

<1000

P, total

<500

Total Organic Carbon

TBA

Total Kjeldahl Nitrogen  (TKN)

TBA

Total Nitrogen

TBA

Alkalinity as CaCO3

<500

Hardness, total (as CaCO3)

<5000

Total Dissolved Solids at 180ºC

<50000

EC (at 25°C)

TBA

pH (at 25°C)

TBA

S4
100 mL
Filtered frozen seawater

Ammonia-N

<0.500

Nitrate-N, Nitrite-N

<5.00

Total Dissolved Nitrogen

<5.00

Orthophosphate-P (FRP)

<0.500

 Sulfate, Chloride

TBA

*As these samples are real samples, the values given are indicative, based on the range of materials used in previous rounds. These ranges will be readjusted in the dispatch letter. TBA-to be advised

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