Soil Plant Waste Analytical Lab

Jessica Braden in her lab standing in front of her sampling equipment

Johnson Hall 280

Analysis performed by: Jessica Braden

Email: jbraden@wsu.edu

Phone: 509-335-2370

Total Carbon and Nitrogen Analysis

TruSpec CN – LECO Corporation

Method: Dry Combustion –  Infrared/Thermal Conductivity Detection

Soil, Plant, Biosolids, Compost

Sample Information to Include:

  • Researcher’s Name
  • Project’s Name
  • Sample Date
  • Location & Soil Type/Plant Type
  • Spreadsheet: Sample Name & Weight; arrangement in spreadsheet to match arrangement in tray (e.g. Sample#1, 0.25g, tray position A1)

 

Total Inorganic Nitrogen Analysis (NH4-N & NO3/NO2-N)

TL2800 Ammonia Analyzer – Timberline Instruments

Method: Gas Diffusion & Zinc Reduction – Electrical Conductivity Detection

1M KCl extracts & Soil Water

Sample Information to Include:

  • Researcher’s Name
  • Project’s Name
  • Sample Date
  • Location & Soil Type
  • Spreadsheet: Sample Name written on vial to match arrangement in tray (e.g. Sample#1, tray position A1)

Price List:

(prices subject to change, but will be given notice)

Total Carbon & Nitrogen Analysis

Type of Service Price per Sample
Carbon & Nitrogen (CN) Analysis $8.40
Sample Weighing & CN Analysis $8.85
Sample Dry/Grind & Weighing & CN Analysis $11.09

 

Total Inorganic Nitrogen Analysis

Type of Service Price per Sample
KCl extracts & Water (NH4/NO3) Analysis $8.39
KCl extraction & (NH4/NO3) Analysis $11.08

 

*an additional 8% charge will be applied for all samples outside CAHNRS