ISO 10304-2-1995 PDF

Full title and description

Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water (ISO 10304-2:1995). This part specifies an ion‑chromatographic method for measuring selected dissolved anions in waste water matrices.

Abstract

Specifies a validated procedure using liquid ion chromatography (anion exchange columns) with conductimetric and/or UV detection for the determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste waters. The standard describes sample preparation, eluents, chromatographic conditions, calibration, detection and quality control requirements.

General information

• Status: Withdrawn / superseded.
• Publication date: April 1995 (1995-04).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 13.060.30; 13.060.50 (sewage water; examination of water for chemical substances).
• Edition / version: Edition 1, 1995.
• Number of pages: 18 pages (original publication).

Scope

Defines a laboratory method for the determination of dissolved bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water using liquid chromatography of ions. The text covers suitable chromatography systems, eluents, detectors, sample pretreatment and requirements for calibration and quality control specific to waste water matrices.

Key topics and requirements

• Analytes: bromide, chloride, nitrate, nitrite, orthophosphate (phosphate), sulfate.
• Technique: ion-exchange liquid chromatography with conductimetric detection (with or without suppressor) or UV detection where applicable.
• Eluents: examples and recommended eluents (carbonate/bicarbonate, hydroxide or other commonly used eluents) and handling (degassing, storage).
• Chromatographic performance: resolution requirements (example R ≥ 1.3 for target peaks) and system suitability checks.
• Calibration and quantification: linear calibration ranges, use of standard additions for certain matrices and routine checks of calibration validity.
• Sample preparation: filtration, possible pre‑concentration or matrix adjustments for heavily contaminated waste waters.
• Quality control: duplicate determinations, method blanks, control charts and performance verification.

Typical use and users

Used by environmental testing laboratories, wastewater treatment plant laboratories, regulatory agencies and research institutions for routine monitoring and compliance testing of industrial and municipal waste waters. Applicable where ion‑chromatographic determination of common anions in complex matrices is required.

Related standards

ISO 10304 is a multipart series. ISO 10304-2:1995 has been withdrawn and its scope consolidated/revised in later editions, notably ISO 10304-1:2007 (and subsequent confirmations); earlier and related documents include ISO 10304-1 (1992/2007) and regional adoptions (EN/BDS versions).

Keywords

water quality, waste water, anions, ion chromatography, dissolved anions, bromide, chloride, nitrate, nitrite, orthophosphate, sulfate, conductimetric detection, ISO 10304.

FAQ

Q: What is this standard?

A: ISO 10304-2:1995 is an ISO International Standard that specified an ion‑chromatographic method for determining selected dissolved anions in waste water.

Q: What does it cover?

A: It covers procedures for analysis (instrumentation, eluents, detection), sample preparation, calibration, system suitability and quality control for bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water.

Q: Who typically uses it?

A: Environmental and contract testing laboratories, wastewater treatment plant labs, regulatory bodies and researchers performing routine or compliance testing of anions in waste water matrices.

Q: Is it current or superseded?

A: ISO 10304-2:1995 has been withdrawn and its content has been superseded/covered by later work in the ISO 10304 series (notably ISO 10304-1:2007 and subsequent confirmations). Always check the current ISO 10304 family standards for the applicable, up‑to‑date procedure.

Q: Is it part of a series?

A: Yes — ISO 10304 is a multipart standard on determination of dissolved anions by liquid chromatography of ions (parts include, for example, part 1 and part 2). Part 2 (1995) focused on waste water and has since been incorporated into later/superseding parts.

Q: What are the key keywords?

A: Anions, ion chromatography, waste water, bromide, chloride, nitrate, nitrite, phosphate, sulfate, conductimetric detection, method validation.