BS EN ISO 18369-3:2017 Ophthalmic optics. Contact lenses Measurement methods

Ophthalmic test equipment
Optical instruments
Thickness measurement
Optical measurement
Reproducibility
Ophthalmic equipment
Precision
Test specimens
Dimensional measurement
Focal length measurement
Ophthalmology
Surface defects
Diameter measurement
Contact lenses
Calibration
Radius
Testing conditions
Optics
Curvature
Link: BS EN ISO 18369-3:2017 Ophthalmic optics. Contact lenses Measurement methods
Source: BSI Standards

PD ISO/TS 15923-2:2017 Water quality. Determination of selected parameters by discrete analysis systems Chromium(VI), fluoride, total alkalinity, total hardness, calcium, magnesium, iron, iron(II), manganese and aluminium with photometric detection

Phosphorus inorganic compounds
Sulfates
Ammonium alum
Orthophosphates
Chemical analysis and testing
Phosphorus
Chlorides
Nitrites
Instrumental methods of analysis
Silicates
Ethanolamine
Decomposition reactions
Test equipment
Water
Determination of content
Water testing
Flow analysis
Quality
Link: PD ISO/TS 15923-2:2017 Water quality. Determination of selected parameters by discrete analysis systems Chromium(VI), fluoride, total alkalinity, total hardness, calcium, magnesium, iron, iron(II), manganese and aluminium with photometric detection
Source: BSI Standards