Water quality; determination of dissolved oxygen by the electrochemical probe method (ISO 5814:1990); german version EN 25814:1992
适用范围：The document specifies an electrochemical for the determination of dissolved oxygen in water by means of an elctrochemical cell which is isolated from the sample by a gas permeable membran. The measure...
Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the x-ray fluorescence method). Part 3:Flame atomic absorption spectrometry (faas) and inductive...
Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:1997)
Plastics -- Organic-perester crosslinking agents for unsaturated-polyester thermosetting materials -- Determination of active-oxygen content
Automotive fuels. Unleaded petrol. Requirements and test methods
Metallic powders. Determination of oxygen content by reduction methods. Total oxygen by reduction-extraction
Expression of performance of electrochemical analyzers - Part 4: Dissolved oxygen in water measured by membrane covered amperometric sensors (IEC 60746-4:1992)
Standard Guide for Collection of Water Temperature,Dissolved-Oxygen Concentrations,Specific Electrical Conductance,and pH Data from Open Channels
适用范围：<p>1.1 This guide describes procedures to collect cross-sectional means of temperature, dissolved oxygen, specific electrical conductance, and pH of water flowing in open channels.</p><p>1.2 This guide...
Expression of performance of electrochemical analyzers - Part 4: Dissolved oxygen in water measured by membrane covered amperometric sensors
适用范围：Applies to analyzers using membrane covered amperometric sensors for the continuous determination of dissolved oxygen partial pressure or concentration. Applies to analyzers for use on potable water, i...
Chemical analysis of silicon-carbide-containing raw materials and refractory products -- Part 1: General information and sample preparation
适用范围：ISO 21068-1:2008 gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory products.
Standard Test Methods for Dissolved Oxygen in Water
适用范围：<p>Dissolved oxygen is required for the survival and growth of many aquatic organisms, including fish. The concentration of dissolved oxygen may also be associated with corrosivity and photosynthetic a...
Chemical analysis of ferrous materials - Determination of oxygen in steel and iron - Part 1: Sampling and preparation of steel samples for oxygen determination; German version EN 10276-1:2000
适用范围：The document describes the chemical analysis of ferrous materials and the determination of oxygen in steel and iron, as well as the sampling and preparation of steel samples for oxygen determination.#,...
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