NF EN ISO 4263-1
Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids - TOST test - Part 1 : procedure for mineral oils
ISO 4263-1:2003 specifies a method for the determination of the ageing behaviour of rust- and oxidation- inhibited mineral oils having a density less than that of water, used as turbine oils (categories TSA, TGA, TSE, TGE of ISO 6743-5, hydraulic oils (categories HL, HM, HR, HV, HG of ISO 6743-4), and circulating oils (category CKB of ISO 6743-6). Oils containing synthetic components can be tested by this procedure, but no precision statement is available yet for such fluids.This test method is widely used in specifications and is considered of value in comparing the oxidation stability of oils that are prone to contamination with water. However, because of the large number of individual field service applications, the correlation between the results of this test and actual service performance can vary markedly, and is best judged on experience.
ISO 4263-1:2003 specifies a method for the determination of the ageing behaviour of rust- and oxidation- inhibited mineral oils having a density less than that of water, used as turbine oils (categories TSA, TGA, TSE, TGE of ISO 6743-5, hydraulic oils (categories HL, HM, HR, HV, HG of ISO 6743-4), and circulating oils (category CKB of ISO 6743-6). Oils containing synthetic components can be tested by this procedure, but no precision statement is available yet for such fluids.
This test method is widely used in specifications and is considered of value in comparing the oxidation stability of oils that are prone to contamination with water. However, because of the large number of individual field service applications, the correlation between the results of this test and actual service performance can vary markedly, and is best judged on experience.
- Avant-proposiv
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1Domaine d'application 1
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2Références normatives 2
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3Principe 2
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4Produits et réactifs 2
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5Appareillage 3
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6Échantillonnage 5
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7Préparation des produits et de l'appareillage 7
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8Mode opératoire 8
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9Calculs 10
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10Expression des résultats 10
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11Fidélité 10
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12Rapport d'essai 11
- Annexe A (normative) Spécifications pour les thermomètres en verre12
- Annexe B (normative) Mode opératoire pour le conditionnement et la conservation des bobines de catalyseur13
- Annexe C (informative) Méthode de détermination de la teneur en produits insolubles des huiles minérales14
- Annexe D (informative) Cotation visuelle des fils de la bobine de catalyseur17
- Annexe E (informative) Détermination de la teneur en métaux18
- Bibliographie19
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