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Keyphrases
Nitrate
100%
Diffusion Method
100%
Level Measurement
100%
Adaptation
100%
Nitrogen Isotope Ratio
100%
Natural Abundance
100%
Ammonia Diffusion
100%
Devarda's Alloy
62%
Seawater
50%
Sargasso Sea
37%
Nitrate Extraction
37%
Sea Surface Water
37%
Extraction Methods
25%
Southern Ocean
25%
Isotopic Composition
25%
Isotopic Data
25%
Distillation Method
25%
Seawater Samples
12%
Surface Water
12%
High-throughput
12%
Gas-phase Diffusion
12%
Isotopic Analysis
12%
Sample Concentration
12%
Natural Seawater
12%
Ammonia
12%
Nitrate Reduction
12%
Dissolved Organic Nitrogen
12%
Diffusion-based
12%
Depth Profile
12%
Nitrate Concentration
12%
Isotopic Measurement
12%
Development Work
12%
Teflon
12%
Incubation Time
12%
Method Development
12%
Complete Recovery
12%
Cline
12%
Nitrate Nitrogen
12%
Woods Hole
12%
Incubation Conditions
12%
Ocean Depth
12%
Ammonia Recovery
12%
Lot number
12%
Nitrate to Ammonia
12%
Ammonia Distillation
12%
Highly Reproducible
12%
Isotopic Correction
12%
Nitrate Levels
12%
Earth and Planetary Sciences
Isotopic Composition
100%
Ammonia
100%
Nitrogen
100%
Alloy
62%
Surface Water
50%
Ocean Surface
37%
Sargasso Sea
37%
Southern Ocean
25%
Isotopic Analysis
12%
Standard Deviation
12%
Nitrate Reduction
12%
Dissolved Organic Nitrogen
12%
Vapor Phase
12%
Porosity
12%
Polytetrafluoroethylene
12%