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Overview ISO 6993-2:2006 specifies requirements for buried, high‑impact poly(vinyl chloride) (PVC‑HI) fittings used to supply gaseous fuels in underground distribution systems. It covers non‑end load…
Overview ISO 699:2015 specifies a laboratory method for determining the alkali-insoluble fraction (alkali resistance) of pulps using fixed-concentration sodium hydroxide solutions. The standard is ap…
Overview ISO 6993-4:2006 is the code of practice for the design, handling and installation of buried, high‑impact poly(vinyl chloride) (PVC‑HI) piping systems used to supply gaseous fuels. It applies…
Overview ISO 6999:1983 is an international standard developed by the International Organization for Standardization (ISO) that specifies the pycnometric method to determine the density of pitch used…
Overview ISO 6993-3:2006 specifies requirements for buried, high-impact poly(vinyl chloride) (PVC‑HI) fittings and saddles used to supply gaseous fuels at a maximum operating pressure of 1 bar (100 k…
Overview ISO 6998:1997 is an international standard published by the International Organization for Standardization (ISO) that specifies a precise method for determining the coking value of pitch use…
Overview ISO 6997:1985 specifies a conventional gravimetric heating method to determine the apparent oil content of calcined coke used in aluminium production. The test measures mass loss after heati…
Overview ISO 6993-1:2006 specifies requirements for buried, high‑impact poly(vinyl chloride) (PVC‑HI) pipes used to convey gaseous fuels at a maximum operating pressure (MOP) of 1 bar (100 kPa) and a…
1 Scope This International Standard specifies a method for the determination of the alkali-insoluble fraction of pulps using sodium hydroxide solution of fixed concentration. The sodium hydroxide con…
1 Scope This document specifies the criteria and metrological requirements to qualify a master meter and subsequently maintain its qualification. It establishes requirements and procedures for meter…