GB/T 11079-2015 Translated English of Chinese Standard (GBT 11079-2015, GB/T11079-2015, GBT11079-2015): Test Method for Carbonizable Substances in White Mineral Oilhttps://www.chinesestandard.net, 12 avr. 2017 - 11 pages This Standard specifies the method for the test of carbonizable substances in white mineral oil. This Standard applies to white mineral oil. |
Table des matières
| 3 | |
Application Scope | 5 |
Apparatus | 6 |
Reagents | 7 |
Solution | 9 |
Test Procedure | 10 |
Precision and Bias | 11 |
Expressions et termes fréquents
000 mL volumetric 6.3 of edition acid layer add 2 mL add the acid Adjust the final Analytical purity ASTM Carbonizable Substances CoCl2 solution Color Comparator colorimetric reference standard completely dissolved continue to titrate cupric sulfate dilute Diphenylamine distilled water end and continue FeCl3 solution final volume GB/T HCl solution 1:39 hexahydrate is completely Hydrochloric acid hydrochloride solution 1:39 hydrogen peroxide iodine with 0.1 liberated iodine mass fraction Method for Carbonizable millilitre of Na2S2O3 mL contains mL iodine flask mL of starch mL volumetric flask Na2S2O3 solution nonchromium containing oil layer oxidizing cleaning solution pipet to transfer Potassium iodide Reagent reference standard solution shaking sodium hydroxide sodium thiosulfate solution 0.25 mol/L solution disappears solution is equivalent standard colorimetric solution starch solution close strongly oxidizing cleaning Substances in White sulfuric acid solution test tube titrate the liberated Vapor extremely irritating Warning water bath water Slowly add white mineral oil White Oil