<b>A Method for Measuring Upper Flash Point </b>

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Other Title
  • <b>上部引火点の測定方法</b>
  • 上部引火点の測定方法--セタ密閉式引火点試験器を用いた実用的手法
  • ジョウブ インカテン ノ ソクテイ ホウホウ セタ ミッペイシキ インカテン
  • <b>セタ密閉式引火点試験器を用いた実用的手法</b>
  • <b>Practical Method Using Setaflash Closed-cup Apparatus </b>

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Abstract

<p><tt>We report an easy,practical method for the mea甜rement of the upper nash point。The亡wo small observing windows of a Setaflash closed-cup apparatus were closed to air.A sample was introduced into the cup,1eft for five minutes,then ignited.The upper Hash point could be measured under the vapor-liquid equilibrium state by this procedure.The upper flash points of thirty-three chemicals and three petroIeum products were detemined.An empirical equation(TfTs</tt>+<tt>6.42)was used to calculate the upper flammable-limit temperatureTf〔℃〕,with 5.25℃ precision,using the observed upper flash point Ts〔℃〕, The temperature ranges of the cool flame zone </tt><tt>could also be measured using sensitive fine themlocouples.</tt></p>

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