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Lake Pulse Toolbox  |  SKU: SL-SL-SE-E-S-VT2

Phosphorus Fractionation Sediment Test

$421.00
Shipping calculated at checkout.

Description

The Phosphorus Fractionation Sediment Test is a laboratory analysis that identifies how phosphorus is stored in sediments and how likely it is to be released into the water column. By separating total phosphorus into fractions with different mobility and bioavailability, the test helps assess internal nutrient loading, algal bloom risk, and informs targeted lake and reservoir management decisions.  Summary below: 

Percent Water:  Category: Properties Methodology: Rydin and Welch  MDL: 1%   RL: 1%  Unit: %

Phosphorus (Aluminum-Bound):   Category: Inorganics Methodology: Rydin and Welch  MDL: 2  RL: 2  Unit: mg/kg

Phosphorus (Iron-Bound):   Category: Inorganics Methodology: Rydin and Welch  MDL: 2  RL: 2  Unit: mg/kg

Phosphorus (Loosely Bound):   Category: Inorganics Methodology: Rydin and Welch  MDL: 2  RL: 2  Unit: mg/kg

Total Phosphorus:  Category: Inorganics Methodology: Rydin and Welch  MDL: 2  RL: 2  Unit: mg/kg

Phosphorus (Biogenic):   Category: Inorganics Methodology: Rydin and Welch  MDL: 2  RL: 2  Unit: mg/kg

What problem does this solve?

You would buy a Phosphorus Fractionation Sediment Test because it gives you actionable insight into nutrient risk that a standard total phosphorus measurement cannot. Specifically:

  • Identify internal phosphorus sources: It shows which forms of phosphorus in sediments are easily released into the water versus those that are stable, helping you understand the real drivers of algal blooms and water quality issues.
  • Inform management decisions: Knowing which phosphorus fractions dominate lets you choose the most cost-effective intervention (e.g., aeration, alum treatment, dredging) and avoid unnecessary or ineffective actions.
  • Prioritize risk: It helps assess the potential for sediment-driven nutrient release under changing conditions (anoxia, temperature shifts), improving planning and early warning.
  • Support reporting and permitting: Detailed fractionation data strengthens environmental assessments, regulatory compliance, and restoration planning by providing a deeper chemical picture than total phosphorus alone.

In short, you buy this test to understand not just how much phosphorus is present, but what form it’s in and how it behaves, which drives smarter, more targeted lake and reservoir management.

What's included?
  • A complete Phosphorus Fractionation Sediment test kit, shipped directly to you
  • All materials required for clean and simple sample collection
  • Step-by-step instructions for preparing your sample
  • Prepaid, 2-day return shipping to our certified partner lab
  • Full chain-of-custody and professional lab handling to ensure accuracy and reliability

Results
  • Your detailed results will be available within 10 business days of lab receipt
  • Results are uploaded directly to your lake’s Data Library via the Lake Pulse Portal
  • Data can be analyzed in the Lake Pulse Analytics Hub, used to generate alerts, or shared with stakeholders
  • A downloadable lab report is also provided in your lake’s Data Sources section for easy access and long-term reference

Need help interpreting your results or planning next steps? The Lake Pulse Boathouse is here to support subscribers anytime.

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