Specification for 23% chromium-nickel-tungsten corrosion-resisting steel castings (Cr 23, Ni 11, W 3) Ingestion-build-189776 ISO 22253 specifies a method
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Description
ISO 22253 specifies a method for the determination of nicotine in total particulate matter from the mainstream smoke with an intense smoking regime using a gas-chromatographic method
This standard specifies two stages of pilot training:
This standard was amended to align with the nine parts of ISO 18400 that were published earlier in 2017
ISO 11296-7 on plastics piping systems is applicable:
Specification for 23% chromium-nickel-tungsten corrosion-resisting steel castings (Cr 23, Ni 11, W 3) Ingestion-build-189776 ISO 22253 specifies a method
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