标准摘要
[中文适用范围]： 该方法的原理是称量一份测试部分，放入一个有毛细管开口的玻璃焦化球中，并将其放入温度保持在约550 ℃的金属炉中，从而将测试部分快速加热至所有挥发性物质都消失的温度。 球茎中的水分蒸发出来，而留在球茎中的较重的残留物在规定的加热时间内发生裂解和焦化反应，取出球茎，在干燥器中冷却并再次称重。 该方法可用于测定蒸发和热解后留下的0.01％(m/m)至30.0％(m/m)范围内的碳残留物的量。 [外文原描述]： The principle of the method specified is weighing a test portion into a glass coking bulb having a capillary opening and placing it in a metal furnace maintained at a temperature of approximately 550 °C, thus quickly heating the test portion to the point at which all volatile matter is evaporated out of the bulb, while the heavier residue remaining in the bulb undergoes cracking and coking reactions during a specified heating period, removing the bulb, cooling it in a desiccator and weighing again. The method may be used to determine amounts of carbon residues in the range of 0,01 % (m/m) to 30,0 % (m/m), left after evaporation and pyrolysis.
英文名称Petroleum products — Determination of carbon residue — Ramsbottom method