BS ISO 6101-1:2019 Rubber. Determination of metal content by atomic absorption spectrometry Determination of zinc content

Flame photometry
Specimen preparation
Chemical analysis and testing
Vulcanized rubber
Vulcanized materials
Synthetic rubber
Natural rubber
Atomic absorption spectrophotometry
Absorption spectrophotometry
Testing conditions
Determination of content
Test equipment
Copper

Link: BS ISO 6101-1:2019 Rubber. Determination of metal content by atomic absorption spectrometry Determination of zinc content
Source: BSI Standards

BS ISO 21501-3:2019 Determination of particle size distribution. Single particle light interaction methods Light extinction liquid-borne particle counter

Particle size distribution
Light divergence
Liquids
Test equipment
Particulate materials
Calibration
Contaminants
Counting
Optical measurement
Particle size measurement
Verification
Suspensions (chemical)

Link: BS ISO 21501-3:2019 Determination of particle size distribution. Single particle light interaction methods Light extinction liquid-borne particle counter
Source: BSI Standards