Buscador de normas

Calidad del agua. Determinación espectrofotométrica del contenido de clorofila-a por extracción con etanol para la monitorización de rutina de la calidad del agua.

Requisitos de seguridad de equipos eléctricos de medida, control y uso en laboratorio. Parte 2-201: Requisitos particulares para equipos de control. (Ratificada por la Asociación Española de Normalización en enero de 2025.)

Liquid chromatography at critical conditions (LCCC) - Chemical heterogeneity of polyethylene oxides (ISO/TS 23973:2020)

Standard Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis

Standard Practice for Determination of Chromium Treatment Weight on Metal Substrates by X-Ray Fluorescence

Standard Test Methods for Determining the Biobased Content of Solid, Liquid, and Gaseous Samples Using Radiocarbon Analysis

Standard Test Method for Determination of Individual Components in Spark Ignition Engine Fuels by 50-Metre Capillary High Resolution Gas Chromatography

Standard Practices for Infrared Multivariate Quantitative Analysis

Standard Specification for Disproportionation (TDP) Toluene

Standard Test Method for Determination of the Weight Percent Individual Volatile Organic Compounds in Air-Dry Low VOC Coatings by Gas Chromatography

Standard Practice for Testing Nitrogen/Phosphorus Thermionic Ionization Detectors for Use In Gas Chromatography

Standard Practice for General Techniques of Thermogravimetric Analysis (TGA) Coupled With Infrared Analysis (TGA/IR)

Standard Practice for Testing Electrolytic Conductivity Detectors (ELCD) Used in Gas Chromatography

Standard Practice for Qualifying Spectrometers and Spectrophotometers for Use in Multivariate Analyses, Calibrated Using Surrogate Mixtures

Standard Practice for Near Infrared Qualitative Analysis

Standard Practice for Sampling of Process Vents with a Portable Gas Chromatograph

Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and External Calibration

Standard Test Method for Determination of Low Levels of Water in Liquid Chlorine by On-Line Infrared Spectrophotometry

Standard Test Method for Determination of Acid Soluble Iron via Atomic Absorption

Standard Test Method for Mercury Sampling and Analysis in Natural Gas and Other Gaseous Fuels by Amalgamation Atomic Fluorescence Spectroscopy

Standard Guide for Contaminated Sediment Site Risk-Based Corrective Action—Selection and Application of Analytical Methods and Test Procedures

Standard Specification for Wipe Sampling Materials for Lead in Surface Dust

Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials

Standard Test Method for Logging In Situ Moisture Content and Density of Soil and Rock by the Nuclear Method in Horizontal, Slanted, and Vertical Access Tubes