Standard Test Method for Ash in Analysis of Petroleum Coke
NORMA vydaná dňa 1.1.2019
Označenie normy: ASTM D4422-19
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.2019
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
Crush the laboratory sample to pass a 6.3 mm sieve. If the quantity exceeds 2.3 kg, divide the sample to obtain about 2.3 kg and crush this fraction to pass a 850 µm (No. 20) sieve. Further divide the sample to obtain a portion of approximately 200 g and crush to pass a 250 µm (No. 60) sieve. Divide again to obtain approximately 50 g. This is the analysis sample which is dried to constant weight at 110 °C +- 5 °C., ash, petroleum coke,, ICS Number Code 73.040 (Coals)