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ISO 20921 - Textiles - Determination of stable nitrogen isotope ratio in cotton fibres
February 1, 2019 - ISO

This document specifies the determination of the ratio of nitrogen isotopes in cotton fibres that are used for textile production. It applies not only to cotton textiles but also to raw cotton taken from cotton fields.

ISO DIS 1833-15 - Textiles - Quantitative chemical analysis - Part 15: Mixtures of jute with certain animal fibres (method by determining nitrogen content)
February 14, 2019 - ISO

This document specifies a method, by determining the nitrogen content, to calculate the proportion of each component, after the removal of non-fibrous matter, in textiles made of mixtures of - jute with animal fibres. The animal-fibre component may consist solely of hair or wool, or of any...

ISO 4945 - Steel - Determination of nitrogen - Spectrophotometric method
October 1, 2018 - ISO

This document specifies a spectrophotometric method for the determination of nitrogen in steel. The method is applicable to the determination of nitrogen mass fraction between 0,000 6 % and 0,050 % in low alloy steels and between 0,010 % and 0,050 % in high alloy steels. The method...

DS/ISO 5832-9 - Implants for surgery – Metallic materials – Part 9: Wrought high nitrogen stainless steel
February 12, 2019 - DS

This document specifies the characteristics of, and corresponding test methods for, wrought stainless steel containing a mass fraction of 0,25 % to 0,50 % nitrogen for use in the manufacture of surgical implants for which high levels of strength and corrosion resistance are required. NOTE 1...

ISO 5832-9 - Implants for surgery - Metallic materials - Part 9: Wrought high nitrogen stainless steel
February 1, 2019 - ISO

This document specifies the characteristics of, and corresponding test methods for, wrought stainless steel containing a mass fraction of 0,25 % to 0,50 % nitrogen for use in the manufacture of surgical implants for which high levels of strength and corrosion resistance are required. NOTE 1...

Photo-Activated Sludge: A Novel Algal-Bacterial Biotreatment for Nitrogen Removal from Wastewater
January 4, 2019 - CRC

Nitrogen rich wastewaters (10-400 mg N L-1) are usually produced by municipal, industrial and agricultural wastes, such as effluents from anaerobic treatments. These represent a risk to the environment due to the high nutrient concentrations (nitrogen and phosphorous), which can cause...

BS ISO 20921 - Textiles — Determination of stable nitrogen isotope ratio in cotton fibres
February 28, 2019 - BSI
A description is not available for this item.
BS EN ISO 4945 - Steel - Determination of nitrogen - Spectrophotometric method
December 31, 2018 - BSI
A description is not available for this item.
GMW17984 - Nitrogen Leak Tests for Engine Combustion Sealing Integrity
February 1, 2019 - GMW
A description is not available for this item.
DS/ISO 20088-3 - Determination of the resistance to cryogenic spillage of insulation materials – Part 3: Jet release
February 13, 2019 - DS

This document describes a method for determining the resistance of a cryogenic spill protection (CSP) system to a cryogenic jet as a result of a pressurized release which does not result in immersion conditions. It is applicable where CSP systems are installed on carbon steel and will be in contact...

BS ISO 5832-9 - Implants for surgery - Metallic materials Part 9: Wrought high nitrogen stainless steel
February 28, 2019 - BSI
A description is not available for this item.
ISO 22241-1 - Diesel engines - NOx reduction agent AUS 32 - Part 1: Quality requirements
February 1, 2019 - ISO

This document specifies the quality characteristics of the NOx reduction agent AUS 32 (aqueous urea solution) which is needed to operate selective catalytic reduction (SCR) converter systems in motor vehicles with diesel engines. SCR converter systems are particularly suitable for selectively...

ISO DIS 14520-10 - Gaseous fire-extinguishing systems - Physical properties and system design - Part 10: HFC 23 extinguishant
December 26, 2018 - ISO

This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 23 extinguishant. It includes details of physical properties, specification, usage and safety aspects and is applicable to systems operating at a nominal pressure of 41 bar without...

ISO 21813 - Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods for chemical analysis of high purity barium titanate powders
February 1, 2019 - ISO

This document specifies methods for the chemical analysis of fine high purity barium titanate powders used as the raw material for fine ceramics. This document stipulates the determination methods of the barium, titanium, aluminium, cadmium, calcium, cobalt, dysprosium, iron, lead, magnesium,...

ISO 21814 - Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of aluminium nitride powders
February 1, 2019 - ISO

This document specifies methods for the chemical analysis of fine aluminium nitride powders used as the raw material for fine ceramics. This document stipulates the determination methods of the aluminium, total nitrogen, boron, calcium, copper, iron, magnesium, manganese, molybdenum, nickel,...

ISO DIS 20338 - Oxygen reduction systems for fire prevention - Design, installation, planning and maintenance
January 24, 2019 - ISO

This document specifies minimum requirements and defines the specifications governing the design, installation and maintenance of fixed oxygen reduction systems with oxygen reduced air for fire prevention in buildings and industrial production plants. It also applies to the extension and...

ISO DIS 14520-5 - Gaseous fire-extinguishing systems - Physical properties and system design - Part 5: FK-5-1-12 extinguishant
December 26, 2018 - ISO

This document contains specific requirements for gaseous fire-extinguishing systems, with respect to FK-5-1-12 extinguishant. It includes details of physical properties, specification, usage and safety aspects. This document covers only systems operating at nominal pressures of 25 bar, 34,5 bar, 42...

ISO DIS 14520-9 - Gaseous fire-extinguishing systems - Physical properties and system design - Part 9: HFC 227ea extinguishant
December 26, 2018 - ISO

This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specification, usage and safety aspects. This document covers systems operating at nominal pressures of 25 bar, 42 bar and 50...

ASTM D5762 - Standard Test Method for Nitrogen in Liquid Hydrocarbons, Petroleum and Petroleum Products by Boat-Inlet Chemiluminescence
October 1, 2018 - ASTM

This test method covers the determination of nitrogen in liquid hydrocarbons, including petroleum process streams and lubricating oils in the concentration range from 40 μg ⁄g to 10 000 μg ⁄g nitrogen. For light hydrocarbons containing less than 100 μg ⁄g nitrogen, Test Method...

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