standard water chemistry analysis suite

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Method synopsis

Standard analytical chemistry methods using ion chromatography for anions and inductively coupled plasma mass spectrometry for cations and trace elements in filtered water samples.

Synthesized from method descriptions across 2 papers using this protocol.

Procedure from a recent peer-reviewed implementation

Steps below were extracted from the most recent peer-reviewed implementation of this protocol in the corpus — Hidden features: How subsurface and landscape heterogeneity govern hydrologic connectivity and stream chemistry in a montane watershed (2025), Hydrological Processes. Implementations in other papers (listed below) may differ.

1. Filter and acidify samples for chemical analysis
   Stream samples were filtered via a triple-rinsed plastic syringe and a 0.45-μm Polyvinyllidene Fluoride cartridge filter. Anion samples were collected according to the sample protocols specified in Section 2.3.1, whereas cation samples were collected at a volume of 10 mL in conical polypropylene tubes. Cation samples were acidified in the laboratory at a 50:1 ratio by volume with 16 M stock nitric acid to ensure metals stayed dissolved in solution and to prevent the sorption of cations to the plastic vials.
   Quantities: 10 mL conical polypropylene tubes for cations, 50:1 ratio acidification with 16 M nitric acidDuration: Processing conducted shortly after field collectionConditions: Laboratory conditions for sample preparation
   Equipment: triple-rinsed plastic syringe, 0.45-μm Polyvinyllidene Fluoride cartridge filter, 10 mL conical polypropylene tubes, 16 M stock nitric acid
2. Analyze samples for major ions using ion chromatography
   Anion samples were analysed using ion chromatography (IC) with a Dionex ICS-2100 (Thermo Scientific) to measure concentrations of fluoride, chloride, sulphate, nitrate, and phosphate. Cation samples were analysed using an Agilent 8900 ICP-QQQ system to measure elements of interest.
   Quantities: All filtered stream and groundwater samples analyzedDuration: Laboratory analysis following sample collection and preparationConditions: Standard laboratory analytical conditions
   Dionex ICS-2100 (Thermo Scientific), Agilent 8900 ICP-QQQ system

Typical Equipment

• Dionex ICS-2100 (Thermo Scientific)
• Agilent 8900 ICP-QQQ system
• 0.45-μm Polyvinyllidene Fluoride cartridge filter

Output Measurements

• major ion concentrations
• trace element concentrations

Papers Using This Protocol (2)

Species Studied With This Protocol

Places Where Used