Normas ISO

Water quality — Guidance and requirements for designing an interlaboratory trial for validation of analytical methods

Optics and optical instruments — Test lenses for calibration of focimeters — Part 1: Reference lenses for focimeters used for measuring spectacle lenses

Propylene and butadiene for industrial use — Sampling in the liquid phase

Nanotechnologies — Performance evaluation of nanosuspensions containing clay nanoplates for quorum quenching

Sterilization of health care products — Microbiological methods — Part 3: Bacterial endotoxin testing

Copper and zinc sulfide concentrates — Determination of thallium — Acid digestion and inductively coupled plasma-mass spectrometry