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Analytical Services
The Horn Point Analytical Services Laboratory provides a wide range of chemical analyses for investigators from the University System of Maryland and around the world. All analyses follow strict QA/QC procedures and all instrumentation is state-of-the-art. Details on methodology and equipment are available upon request. If you have special needs for analyses in addition to those listed below, please contact us. The Analytical Services personnel can also assist in providing supplies and equipment for field sampling and collection. Please ask about all your sampling and analytical needs.
Nutrient analyses Chromatographic Analyses
Dissolved (fresh, brackish, or seawater samples)
Nitrate and nitrite
Nitrite
Ammonium
Urea
Phosphate
Silicate
Total nitrogen (filtered or unfiltered)
Total phosphorus (filtered or unfiltered)

Particulate
Nitrogen & Carbon
Total Suspended Solids

Please contact Lois Lane at lane@hpl.umces.edu, or by phone at 410.221.8252

 Pigment analysis by HPLC
Chlorophylls a,b,c
Full suite of carotenoids, xanthophylls, and chlorophylls
Fatty acid analysis
Lipid class analysis

HPLC Methodology upon request.

Please contact Crystal Thomas at cthomas@hpl.umces.edu,
or by phone at 410.221.8291


 Prices for analytical services as of 3/2008
Dissolved
Nutrients		 In
House		 MD
Contracts		 Outside
Particulate
Analyses		 In
House		 MD
Contracts		 Outside
PO4
3.85
5.25
5.75
NH4
3.85
5.25
5.75
NO3+ NO2
3.85
5.25
5.75
NO2
3.85
5.25
5.75
Si
3.85
5.25
5.75

Organic
Nutrients		 In
House		 MD
Contracts		 Outside
PP
11.50
15.75
17.00
IP
6.50
8.75
9.25
TN
8.25
11.00
12.25
TP
8.25
11.00
12.25
TN + TP
11.75
22.00
24.00
DOC (NPOC)
10.25
14.00
15.00
DIC
10.25
14.00
15.00
Suspended
Solids*
5.00
5.75
6.25
CHN
10.25
14.00
15.00
Fluorometer
Chl a
phytin a
10.00
11.00
12.00

HPLC

All pigments HPLC 35.00 48.00 67.00
sediment chl aHPLC 8.50 11.50 12.50
chla a,b,c and
phytin a		 26.00 31.00 50.00

       * Does not include filters