ISO 10136-3-1993 PDF

Full title and description

ISO 10136-3:1993 — Glass and glassware — Analysis of extract solutions — Part 3: Determination of calcium oxide and magnesium oxide by flame atomic absorption spectrometry. This part of ISO 10136 specifies a flame atomic absorption spectrometric (FAAS) method for measuring Ca and Mg released into extract solutions from glass or glassware; results are reported as the corresponding oxides CaO and MgO. The document is published by the International Organization for Standardization (ISO) and is available in electronic (PDF) and printed formats.

Abstract

The method measures the portion of the 422.7 nm absorption line for calcium and the 285.2 nm absorption line for magnesium using a flame atomic absorption spectrometer and compares the measured absorption with that produced by appropriate reference solutions. Concentrations of calcium and magnesium in extract solutions are determined and expressed as CaO and MgO. The procedure applies to extract solutions obtained from any kind of glass or glassware, including laboratory and pharmaceutical ware, food and drink packaging, tableware and kitchenware.

General information

• Status: Published (confirmed current by ISO review process).
• Publication date: 1 July 1993 (Edition 1).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 71.040.20 (Laboratory ware and related apparatus); 81.040.01 (Glass in general).
• Edition / version: Edition 1 (1993).
• Number of pages: 6.

Scope

Specifies an analytical procedure using flame atomic absorption spectrometry (FAAS) to determine the amounts of calcium and magnesium released into extract solutions prepared from glass or glassware. The measured atomic absorption at the characteristic wavelengths for Ca and Mg is compared with reference solutions; results are reported as the oxides CaO and MgO. The procedure is intended for extract solutions produced from any type of glass or glassware (laboratory, pharmaceutical, packaging, tableware, kitchenware, etc.).

Key topics and requirements

• Principle: flame atomic absorption spectrometric measurement of calcium and magnesium.
• Analytical lines: Ca absorption measured at 422.7 nm; Mg absorption measured at 285.2 nm.
• Calibration: use of reference (standard) solutions for comparison and quantification.
• Reporting: results expressed as concentrations of CaO and MgO (oxides).
• Applicability: extract solutions from any glass or glassware type; suitable for quality control and hydrolytic/extraction testing contexts.
• Instrumentation and sample handling: requires appropriately maintained FAAS equipment and validated sample preparation to meet repeatability/accuracy expectations.

Typical use and users

Used by analytical laboratories, quality control departments of glass and glassware manufacturers, packaging and pharmaceutical manufacturers, conformity assessment bodies and research groups. Typical applications include routine testing of extract solutions for regulatory or internal quality requirements, material assessment during product development, and investigation of glass corrosion or leaching behaviour.

Related standards

ISO 10136 is a multipart series; closely related documents include ISO 10136-1:1993 (determination of silicon dioxide), ISO 10136-2:1993 (determination of sodium oxide and potassium oxide), ISO 10136-4:1993 (determination of aluminium oxide), ISO 10136-5:1993 (iron(III) oxide) and ISO 10136-6:1993 (boron(III) oxide). Other related test-method and glass‑specification standards (commonly used alongside ISO 10136 parts) include standards that describe extract preparation and hydrolytic resistance test procedures for glass and glassware.

Keywords

glass analysis, extract solutions, calcium oxide, magnesium oxide, CaO, MgO, flame atomic absorption spectrometry, FAAS, glassware testing, quality control, hydrolytic resistance

FAQ

Q: What is this standard?

A: ISO 10136-3:1993 is an ISO international standard that specifies a flame atomic absorption spectrometric method for determining calcium oxide (CaO) and magnesium oxide (MgO) in extract solutions produced from glass and glassware.

Q: What does it cover?

A: It covers the analytical principle (FAAS), the characteristic wavelengths used (422.7 nm for Ca, 285.2 nm for Mg), calibration by reference solutions, and reporting of results as CaO and MgO for extract solutions from various types of glass and glassware.

Q: Who typically uses it?

A: Analytical laboratories, manufacturers of glass and glassware, packaging and pharmaceutical companies, regulatory and conformity assessment organizations, and researchers studying glass corrosion or leaching.

Q: Is it current or superseded?

A: ISO 10136-3:1993 was published on 1 July 1993 (Edition 1). It has been subject to ISO's periodic review process and has been confirmed in ISO reviews; users should check with their national standards body or ISO for the most recent confirmation or withdrawal status if up-to-the-minute status is required. (Note: ISO conducts systematic reviews; the edition from 1993 has been maintained through review cycles.)

Q: Is it part of a series?

A: Yes. ISO 10136 is a multipart series addressing analysis of extract solutions from glass and glassware; Part 3 is the section dealing with calcium and magnesium. Other parts of the series address silicon dioxide, sodium/potassium oxides, aluminium oxide, iron oxide and boron oxide.

Q: What are the key keywords?

A: glass analysis; extract solutions; flame atomic absorption spectrometry; CaO; MgO; calcium; magnesium; FAAS; glassware testing; quality control.