GOST 31870-2012 PDF

Full title and description

GOST 31870-2012 — "Drinking water. Determination of elements content by atomic spectrometry methods". The standard specifies two atomic-spectrometry methods for determining mass concentrations of elements in drinking and natural waters: (1) atomic absorption spectrometry with electrothermal atomization (AAS, ETA) and (2) atomic emission spectrometry with inductively coupled plasma (ICP-AES).

Abstract

This interstate (GOST) standard defines procedures, measurement regimes and recommended calibration/sample-preparation practices for quantifying a broad list of trace and major elements in drinking, packaged and natural waters using ETA-AAS and ICP-AES. It includes normative references, sampling cross‑references, measurement modes (appendices), and guidance on preparing multi‑element calibration solutions. The standard was developed for routine laboratory determinations used in environmental monitoring, water supply control and regulatory compliance testing.

General information

• Status: Introduced (first edition), active (введён впервые).
• Publication date: Introduced 01 January 2014 (approved by technical bodies in November 2012; published by Standartinform 2013).
• Publisher: Standardinform (Стандартинформ) / Interstate Council on Standardization, Metrology and Certification (developer/approver).
• ICS / categories: 13 — Environmental protection; 13.060 — Water quality; Examination of water to determine content of chemicals.
• Edition / version: GOST 31870-2012 (first issue; implemented with amendments published in 2015 and 2016).
• Number of pages: Typically listed as 19 pages in major library catalogues (some commercial vendors show 24–26 pages depending on formatted editions).

Scope

Applies to drinking waters (including bottled and other packaged waters) and natural surface and groundwater used as water supply sources. The standard establishes two laboratory methods for determination of mass concentrations of many elements (including but not limited to Al, Ba, Be, V, Bi, Fe, Cd, Co, Mn, Cu, Mo, As, Ni, Sn, Pb, Se, Ag, Sb, Ti, Cr, Zn by ETA‑AAS; and Al, Ba, Be, B, V, Bi, W, Fe, Cd, K, Ca, Co, Si, Li, Mg, Mn, Cu, Mo, As, Na, Ni, Sn, Pb, Se, Ag, Sr, Sb, Te, Ti, Cr, Zn by ICP‑AES). It also references sampling requirements and supporting metrology documents.

Key topics and requirements

• Specified measurement procedures and instrumental regimes for electrothermal AAS (ETA‑AAS) for trace element determination.
• Procedures, operating conditions and interference guidance for ICP‑AES (inductively coupled plasma atomic emission spectrometry).
• Lists of elements covered by each method and typical detection/quantification considerations.
• Requirements and references for sampling (cross‑referenced to GOST 31861‑2012 and GOST 31862‑2012) and for laboratory quality (references to GOST ISO/IEC 17025 and precision/accuracy guidance).
• Appendices with recommended measurement modes, interference data and preparation of multi‑element calibration solutions.

Typical use and users

Environmental and public‑health laboratories, water supply and wastewater utilities, bottled water producers, regulatory agencies and third‑party testing laboratories use this standard as a reference method for element determinations in drinking and source waters. It is used for routine monitoring, compliance testing and method validation within laboratories that follow GOST/ISO/ILAC quality systems.

Related standards

Commonly referenced standards include GOST 31861-2012 (general requirements for sampling), GOST 31862-2012 (drinking water sampling), GOST R 51309-99 (earlier national method for element determination by atomic spectrometry), GOST ISO/IEC 17025 (laboratory competence) and other metrology and reagent standards cited in normative references.

Keywords

drinking water; water quality; atomic absorption spectrometry; electrothermal atomization; inductively coupled plasma; atomic emission spectrometry; ICP‑AES; ETA‑AAS; trace elements; mass concentration; calibration; sampling.

FAQ

Q: What is this standard?

A: An interstate (GOST) standard that specifies laboratory methods for determination of element concentrations in drinking and natural waters by ETA‑AAS and ICP‑AES.

Q: What does it cover?

A: Measurement procedures, recommended instrumental regimes, lists of elements covered by each method, preparation of calibration solutions, and normative references including sampling and laboratory quality requirements.

Q: Who typically uses it?

A: Public‑health and environmental testing laboratories, water utilities, bottled‑water producers, regulators and laboratories seeking a GOST‑level reference for element analysis in waters.

Q: Is it current or superseded?

A: The document was introduced 01 January 2014 (approved November 2012) and remains the current GOST text; it has recorded amendments (October 2015 and October 2016). Users should check national/regional regulatory lists for any later replacements or EAEU technical regulations that affect its voluntary/mandatory application.

Q: Is it part of a series?

A: It is part of a cluster of GOSTs on water and water‑testing methods introduced in the same period (other related GOSTs include sampling and general water testing standards such as GOST 31861‑2012 and GOST 31862‑2012).

Q: What are the key keywords?

A: Atomic absorption spectrometry, electrothermal atomization, inductively coupled plasma, atomic emission spectrometry, drinking water, trace elements, calibration, method validation.