GB/T 213-2008 Translated English of Chinese Standard. (GBT 213-2008, GB/T213-2008, GBT213-2008): Determination of calorific value of coalhttps://www.chinesestandard.net, 9 февр. 2020 г. - Всего страниц: 50 This Standard specifies the principle, test conditions, reagents and materials, instruments and devices, determination steps, calculation of determination result, thermal capacity, instrument constant calibration and method precision for oxygen bomb calorimetric method that is used to determine the gross calorific value of coal. This Standard also specifies the calculation method for net calorific value. |
Содержание
| 4 | |
Introduction | 6 |
Scope | 7 |
Terms and definitions | 8 |
Principle | 9 |
Laboratory conditions | 10 |
Instruments and devices | 11 |
Measurement steps | 17 |
Calculation of measurement results | 22 |
Calibration of heat capacity and instrument constants | 27 |
Result expression | 31 |
Conversion of calorific value of various base coals | 34 |
Test report | 35 |
1995 | 36 |
1995 | 38 |
Часто встречающиеся слова и выражения
according to formula adiabatic adiabatic calorimeter adjust Air-dried base air-dried coal sample Annex aperture correction value average division value barium hydroxide base point temperature Beckman thermometer benzoic acid bomb calorific value calculation formulas calculation methods calorific value measurement carbon coal GB/T coal water slurry combustion dish combustion test constant pressure constant volume cooling correction value cotton thread Determination dried coal water end point exceed exposed column temperature gram J/g gross calorific value heat capacity calibration heat capacity value hydrochloric acid hydroxide standard solution ignition heat ignition wire inner and outer inner cylinder temperature Joules per gram linear regression mass fraction moisture of coal net calorific value nitric acid formation outer cylinder temperature oxygen bomb calorimeter received base relationship curve relative standard deviation Sample mass sample or dried Sb,ad sodium hydroxide Standard and ISO stirrer sulfuric acid temperature rise thermostatic calorimeter titration value at constant value of coal water slurry sample