Overview
ISO 10349-1:2002 - Photography - Photographic‑grade chemicals - Test methods - Part 1: General defines the general principles, safety rules and laboratory requirements used to test photographic‑grade chemicals. It establishes criteria for reagents and materials and sets out common procedures that apply across the subsequent parts of ISO 10349. Annex A provides an index of the latest International Standards on photographic‑grade chemical specifications.
Key topics and requirements
- Scope and purpose: Sets general requirements that support specific analytical test methods given in Parts 2–13 of ISO 10349 (e.g., insoluble matter, heavy metals, halides, pH, density).
- Safety and hazard coding: Introduces a hazard information code system (symbols such as 〈B〉, 〈C〉, 〈F〉, 〈S〉) and mandatory safety practices (e.g., pipette bulbs, safety glasses). Emphasises employer responsibility for training and complying with local legal requirements.
- Reagents and water quality: Requires certified reagent‑grade chemicals and specifies water of analytical quality (ISO 3696) for tests where “water” is required.
- Solution strength and expression: Defines how to express standardized solutions (molarity) and other solutions (g/L), and explains dilution notation (X + Y).
- Glassware and apparatus: Mandates heat‑resistant borosilicate glass for heated glassware and Class A volumetric glassware conforming to referenced ISO glassware standards (ISO 385‑1, ISO 648, ISO 835 series, ISO 1042, ISO 4788).
- Sampling and sample size: Requires representative, homogeneous samples for each shipment and advises using ISO 5667 series guidance for sampling techniques and sample handling.
- Masses, volumes and precision: Defines conventions for specifying masses and volumes, degrees of precision, and interpretation of “approximately” in test procedures.
- Common laboratory procedures: Gives standard procedures for dried weighing bottle usage, porous crucible filtrations and other routine methods to ensure repeatability.
Practical applications and users
ISO 10349-1:2002 is valuable for:
- Quality control laboratories testing photographic chemicals and raw materials.
- Chemical manufacturers and suppliers establishing product specifications and certificates of analysis for photographic‑grade reagents.
- Photographic materials producers (film, paper, processing chemicals) ensuring incoming materials meet performance requirements.
- Standards committees and test method developers who need harmonized general procedures and safety conventions.
The standard helps ensure reliable, repeatable test results, consistent reagent handling and compliance with accepted laboratory practices when evaluating photographic‑grade chemicals.
Related standards
Keywords: ISO 10349-1:2002, photographic‑grade chemicals, test methods, reagent purity, laboratory safety, sampling, glassware, photographic industry, quality control.
