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Straight bevel gears for general engineering and heavy engineering -- Basic rack

Overview ISO 677:1976 - "Straight bevel gears for general engineering and heavy engineering - Basic rack" defines the dimensional characteristics and profile of the basic rack used as the reference t…

Water quality -- Determination of ammonium -- Potentiometric method

Overview ISO 6778:1984 specifies a potentiometric method for the determination of ammonium in raw water, sewage and wastewater using an ammonia‑sensing membrane probe (ammonia ion‑selective electrode…

Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)

Overview SIST EN 26777:1996 specifies a standardized method for the determination of nitrite concentration in potable, raw, and waste water. Aligned with ISO 6777:1984, this water quality standard se…

Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)

Overview EN 26777:1993 (identical with ISO 6777:1984) defines a molecular absorption spectrometric method for the determination of nitrite in potable, raw and waste water. The method is based on form…

Aerospace — Fluid systems — Impulse testing of hydraulic hose, tubing and fitting assemblies

Aerospace — Fluid systems and components — Pressure and temperature classifications

Aerospace fluid systems — Thermal shock testing of piping and fittings

Aerospace fluid systems — Impulse testing of hydraulic hose, tubing and fittings assemblies

Aerospace construction — Fluid systems and components — Pressure and temperature classifications

Aerospace. Fluid systems. Impulse testing of hydraulic hose, tubing and fitting assemblies

1 Scope This International Standard specifies the requirements and the procedures for impulse testing of hose, tubing, and fitting assemblies for use in aerospace hydraulic systems. Requirements may…

Aerospace. Fluid systems and components. Pressure and temperature classifications

1 Scope This International Standard specifies the pressure classes and temperature types for the basic systems and component systems that are commonly used in aerospace fluid systems. Classes and typ…

Plastics. Plastics identification using Raman spectrometric methods

Test conditions for vertical internal type broaching machines. Testing of accuracy

What is ISO 6779 - Test conditions for broaching machines about? ISO 6779 specifies, with reference to ISO 230-1 , the geometric tests on vertical internal type broaching machines with vertical Z-axi…

Aerospace — Fluid systems — Impulse testing of hydraulic hose, tubing and fitting assemblies

Overview ISO 6772:2012 specifies requirements and procedures for impulse testing of hose, tubing and fitting assemblies used in aerospace hydraulic (and, where appropriate, other aerospace fluid) sys…

Straight bevel gears for general engineering and heavy engineering — Basic rack

Overview ISO 677:1976 - "Straight bevel gears for general engineering and heavy engineering - Basic rack" defines the dimensional characteristics and profile of the basic rack used as the reference t…

Water quality — Determination of ammonium — Potentiometric method

Overview ISO 6778:1984 specifies a potentiometric method for the determination of ammonium in raw water, sewage and wastewater using an ammonia‑sensing membrane probe (ammonia ion‑selective electrode…

Test conditions for vertical internal type broaching machines — Testing of accuracy

Cinematography — Spectral response of photographic sound reproducers for 8 mm Type S motion-picture films — S…

Aerospace — Fluid systems and components — Pressure and temperature classifications

Overview ISO 6771:2007 is an essential international standard that defines pressure classifications and temperature types for aerospace fluid systems and components. Published by the International Or…

Acceptance conditions for broaching machines of vertical internal type — Testing of accuracy

Water quality — Determination of nitrite — Molecular absorption spectrometric method

Overview ISO 6777:1984 specifies a molecular absorption spectrometric method for the determination of nitrite in potable, raw and wastewater. The method is based on diazotization at pH 1.9 using amin…

Aerospace — Fluid systems — Thermal shock testing of piping and fittings

Overview ISO 6773:1994 - "Aerospace - Fluid systems - Thermal shock testing of piping and fittings" defines an environmental test method for evaluating the resistance of aerospace fluid system piping…

Test conditions for vertical internal type broaching machines — Testing of accuracy

Overview ISO 6779:2023 - Test conditions for vertical internal type broaching machines - Testing of accuracy defines the procedures and acceptance guidelines for verifying the geometric accuracy of v…

Instant tea — Determination of free-flow and compacted bulk densities

Overview ISO 6770:1982 is an international standard published by the International Organization for Standardization (ISO) that specifies precise methods for determining the free-flow and compacted bu…

Plastics — Plastics identification using Raman spectrometric methods

Overview ISO 6775:2024 - Plastics - Plastics identification using Raman spectrometric methods - defines a standardized, qualitative approach for identifying plastic materials in their original form u…