SciMed Education
How Can You Reliably Analyze Soil Microbial Biomass in High-Salt Extracts?
Introduction
The multi N/C 2300 and multi N/C 3300 provide reliable, automated TOC/TNb analysis of high salt soil extracts, delivering accurate, reproducible results with minimal maintenance.
Fast. Reproducible. Low maintenance.
Why Are High-Salt Soil Extracts Challenging?
Salt-based extraction methods used for soil microbial biomass analysis can place significant demands on conventional TOC analyzers, increasing maintenance requirements and affecting long-term analytical performance.
How Do multi N/C 2300 and multi N/C 3300 Solve This Challenge?
• Both analyzers are designed to handle demanding sample matrices with features including:
• Simultaneous TOC and TN analysis
• Automated sample acidification and TIC removal
• Stable performance over extended sample sequences
• High reproducibility with minimal maintenance
What Performance Can You Expect?
Long-term testing with customer soil extracts demonstrated:
• Stable results over 320+ injections
• Excellent precision (RSD typically below 2.5%)
• Reliable handling of high-salt samples
• Easy removal of salt deposits for extended reactor lifetime
Why Choose multi N/C for Soil Analysis?
• Handles challenging soil extraction matrices
• Reduces maintenance and operating costs
• Supports high-throughput laboratory workflows
• Delivers reliable, reproducible TOC/TNb measurements
Ready to Simplify Soil Microbial Biomass Analysis?
Discover how the multi N/C 2300 and multi N/C 3300 help laboratories achieve dependable TOC/TNb results, even for challenging high-salt samples.
Page FAQ's
High salt extraction solutions, such as 0.5 M K₂SO₄, can place additional strain on conventional TOC analysers, leading to salt deposits, increased maintenance and reduced long term analytical performance.
Yes. Both systems support simultaneous TOC and total nitrogen analysis, helping laboratories obtain reliable carbon and nitrogen measurements from the same soil extract.
Long term testing using soil extracts demonstrated stable performance across more than 320 injections, with relative standard deviations typically below 2.5%.
The systems are designed to handle demanding sample matrices while allowing salt deposits to be removed easily. This helps extend reactor lifetime, reduce maintenance requirements and support longer automated sample sequences.
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