摘要
介绍了异烟酸-吡唑啉酮比色法测定煤气中氰化氢含量的原理和测定步骤,该法与多硫化铵吸收法相比,具有测定结果准确、试样体积小和快捷简便等优点。
The principle and procedure on determination of H2S in gas by colorim etry of isonicotinic acid and pyrazolone are described, compared to the ammonium polysulfide absorption process, the colorimetry has the advantages over accurat e measuring result, small volume of sample, quickness and simplicity.
出处
《燃料与化工》
2004年第4期32-34,共3页
Fuel & Chemical Processes
