GB/T 30733-2014 Translated English of Chinese Standard. (GBT 30733-2014, GB/T30733-2014, GBT30733-2014): Determination of total carbon, hydrogen and nitrogen content in coal - Instrumental method [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2015 M03 20 - 14 páginas This Standard specifies the method summary, reagents and materials, instrument and equipment, determination, calibration, results statement, accuracy etc. of determining carbon, hydrogen and nitrogen in the coal by instrumental method. This Standard applies to quick determination of carbon, hydrogen and nitrogen in lignite, bituminous coal and anthracite. |
Términos y frases comunes
According to 7.2.1 Annex article numbers calculation of EDTA Calibration check calibration curve calibration material calibration method calibration points calibration substance carbon dioxide certified coal standard chapter and article China national conditions Choose Co,ad coal GB/T coal sample coal standard substance content is duplicated content of carbon content range daily determined coal Delete Detection systems determination range corresponding determined by GB/T Disposal system documents so quoted Duplicate with GB/T EDTA sample weight filter the factors fit the calibration fitting method Formula C.1 GB/T 483 content hydrogen and nitrogen hydrogen content instrument is valued instrument specification instrument’s instructions Instrumental Method mass fraction measured value mg mg mg nitrogen content nitrogen oxide organic carbon content repeatability limit reproducibility critical difference sample determination sample weight interval sample weight range single-point calibration Standard and ISO standard substance sample standard values Strengthen the operability substance sample weight Suitable for China Table C.1 technical differences valued by mass