化学试剂 甲醛溶液 GBT 685-1993.pdf

GB685-93附录A甲醇含量的测定(补充件)用甲醇作阻聚剂时，按GB611中5.1条之规定，测定甲醛溶液的密度，由密度值及按4.1条之规定测得的甲醛含量，查表A1得甲醛溶液中甲醇的含量。表A1甲醛溶液密度-甲醛含量-甲醇含量关系表MP1.0631.0641.0651.0661.0671.0681.0691.0701.0711.0721.07334.016.516.115.715.314.914.414.013.613.212.812.434.216.716.315.915.515.114.714.313.813.413.012.634.416.916.516,115.15.314.914.514.113.713.312.934.617.216.816.416.015.615.214.814.313.913.513.134.817.417.016,616.215.815.415.14.614.213.813.435017.617216.16.416.015.615,214.814.414.13.635.217.8117.16.16.15.815.15.014-614.213.835.18.117.717.316.916.16.11515.314.914.514.135.618.317.17.517.11616.315.15515.114214.335.818.518.117.17.316.916.516.115715.314.914.536.018.718.317917.17.116.71615.15.15.14.736.1901861&.2417.0616.15.15.036.419.218.18.180617.216.416.15.15.236619.419.018.18217817.17.016-16.15.815.436.19.619218.818.18017.617.216.16.16015.60319.91919.18.18.317.9217.116.716.15.937.220.19219.1&18.117.16.916.16.13720.3518.3917.517.16.716.337620.520,19.719.318.918.518.17,717.316.916.537.20.720.319.919.19.118717.917.517.116.7380020.620.219.8l19.0e618.217.817.417.038.221.220.420.0198418.617.238.421.4020.620.219.819.41918618.217.17.438.21.6212820.019.619.218.18.418017.638.821.821020.19.819.19.018.618.17.839.022.021.21.2o20.20.019619.218.818.18.123922.3212521.120.0.319919.519.118.718.339.22.52721.32092020.19.719.18.18.539.22.7兔1.921.120.720.19.19.519118.739.2922.22.21.320.9620.19.718.940.023.24021.621.2o820.20.019.619.240.223.42302262821.421206220.19.819.440.23.623.2822021.6220.820.420.019.640623.823%23022.221.821.020.620219.840.824.023.24722.22.021621.220.820.420.041.024.28230622121.421020.620.241.224.524.13522.9513521.721.320.020.541.424.69221.921.521.20.741.624.9242422.21.721.20.941.825.12423.923523.122.22321.921.521.142.025.324.924.524.123.723.323.022.622.121.821.4