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internal standard method

internal standard method, Total:15 items.

In the international standard classification, internal standard method involves: General methods of tests and analysis for food products, Testing of metals, Metalliferous minerals, Resistors, Jewellery, Office machines.

Professional Standard - Commodity Inspection, internal standard method

• SN/T 2096-2008 Determination of acrylamide in food.Isotope internal standard

海关总署, internal standard method

• SN/T 5224-2019 Testing methods for Listeria monocytogenes in exported foods Real-time fluorescence PCR internal standard method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, internal standard method

• GB/T 25934.2-2010 Methods for chemical analysis of high purity gold.Part 2: Inductively coupled plasma mass spectrometry standard enter emendation-inner standard method.Determination of impurity elements contents
• GB/T 6730.87-2023 Determination of iron ore total iron and other multi-element content wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method)
• GB/T 25934.2-2010(英文版) Methods for chemical analysis of high purity gold—Part 2: Inductively coupled plasma mass spectrometry standard enter emendation innerstandard method—Determination of impurity elements contents

Military Standard of the People's Republic of China-General Armament Department, internal standard method

• GJB 7901-2012 Calibration method of space tracking, telemetering and command ship at dock
• GJB 9352-2018 Internal calibration method of spaceborne synthetic aperture radar

International Organization for Standardization (ISO), internal standard method

• ISO 24583:2022 Quantitative nuclear magnetic resonance spectroscopy — Purity determination of organic compounds used for foods and food products — General requirements for 1H NMR internal standard method
• ISO 11494:2019 Jewellery and precious metals — Determination of platinum in platinum alloys — ICP-OES method using an internal standard element

British Standards Institution (BSI), internal standard method

• BS ISO 24583:2022 Quantitative nuclear magnetic resonance spectroscopy. Purity determination of organic compounds used for foods and food products. General requirements for ¹H NMR internal standard method

Association Francaise de Normalisation, internal standard method

• NF ISO 24583:2023 Spectroscopie par résonance magnétique nucléaire quantitative - Détermination de la pureté des composés organiques utilisés dans les aliments et les produits alimentaires - Exigences générales pour la méthode de l'étalon interne par RMN 1H

Professional Standard - Electron, internal standard method

• SJ 1886-1981 Marking content and method of thermistors

European Committee for Standardization (CEN), internal standard method

• EN ISO 11494:2016 Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element (ISO 11494:2014)
• EN ISO 11494:2019 Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element (ISO 11494:2019)

Taiwan Provincial Standard of the People's Republic of China, internal standard method

• CNS 2994-1987 Marking for Content of Movable High Pressure Compressed Gas Containers

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