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Complex Nutrients in Seawater, Whole Volume, WP Proficiency Testing Material, MilliporeSigma™ Supelco™

Catalog No. 111004657 Shop All MilliporeSigma Supelco Products
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Quantity:
500 mL

Description

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

If a solution is not to be analyzed within two days after opening, preserve a sample aliquot with 0.2 mL of concentrated sulfuric acid per 100 mL of sample (pH<2) and store at 4 degrees C until just before analysis. Analyze the preserved sample as soon as possible within the maximum 28-day holding time.Sample preparationThe sample is ready for immediate analysis.
TRUSTED_SUSTAINABILITY

Specifications

Quantity 500 mL
Concentration or Composition (by Analyte or Components) Kjeldahl nitrogen, total (TKN) 1.5-35 mg/L; Nitrogen, total 1.5-35 mg/L; Phosphorus, total 0.5-10 mg/L
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