实 验 报 告 纸表-1t/minT/纯铅锡20%锡40%锡61.9%锡80%纯锡0395.4395.3397.5398.7399.3394.51385.3387.0396.8385.3391.3384.92374.4378.5396.6375.0383.5375.53365.3369.8367.3365.1375.0365.74355.2363.5353.8354.6367.8357.95346.8356.9345.0346.2359.8350.06338.7348.8335.1336.9353.1341.87329.6342.1327.2329.6346.7334.58322.9335.8319.5322.6339.6327.69317.8328.8311.5315.4333.9320.810311.8323.2305.2309.3327.3314.811306.6316.2298.6303.6321.1307.212302.2311.8293.2297.3315.8302.513298.6307.2288.1292.0311.0296.314294.4302.5282.1286.6306.4291.215288.7298.9276.8285.0302.2286.116283.4295.3271.2275.2297.4280.417277.9291.1264.8269.3293.0275.518270.6287.3259.4264.4288.5271.119264.0282.3254.5257.7283.3266.520256.8277.5248.9254.4278.6261.721250.8272.2244.3250.2273.5257.622245.3266.2239.3245.8269.3252.923239.2261.3235.1241.3265.1249.224234.5256.7231.0237.4260.5245.325230.0252.0226.5233.0256.6241.126225.1247.9222.7229.4252.9237.627221.0244.2219.0225.9248.8233.828217.1240.3215.0221.9245.3230.529212.7236.7211.5218.7241.1227.230209.1232.6208.2215.4238.7223.731205.6229.2204.5211.9234.9220.932201.7225.7201.5209.6231.2224.533198.1221.9198.1209.4228.3230.634194.7218.7195.4208.1225.3231.135191.7215.0192.9206.7222.0231.136188.7212.0190.3204.9219.3230.9实 验 报 告 纸37185.2209.0188.6203.0216.5230.538182.4206.1185.9200.8218.9229.739179.7202.8183.3198.6221.4221.440176.5200.1181.1197.3221.0216.341173.9196.9179.1195.0219.7210.442170.9194.4181.1192.4218.1205.743168.3191.7183.2190.0215.8202.744165.9188.5183.6187.8214.7199.045163.1186.7183.0185.5211.7196.046160.8184.5180.2183.8208.8193.047158.5182.1175.3182.2206.2190.248155.8180.2171.9181.4203.1188.149153.7178.4168.7180.0200.3185.650151.6176.8165.2176.9197.2183.451149.2175.5162.3173.4194.5181.452147.2178.7159.0169.8191.8179.153144.9176.3156.6166.7189.5177.354142.9173.5154.3164.7186.7175.255141.1169.8151.8162.1185.1173.456138.9166.8149.8160.0184.6171.757137.2164.1157.9183.0169.858135.5161.3155.7180.0166.959133.4159.1153.9176.8165.360131.8157.0152.1174.3164.061130.2154.7150.0171.9162.762128.4152.9148.3169.5161.363149.9167.6160.164165.8158.765163.7157.466162.2156.267160.7154.768159.1153.169157.7152.670156.6150.471155.5149.272154.4147.973153.274152.175151.076149.9实 验 报 告 纸图-1 不同样品的不冷曲线图表-2 Pn-Sn体系的熔点温度锡/%0204061.980100熔点温度/326.2274.6240.8183203.5231.1实 验 报 告 纸18361.9DFECBALL+L+231.1326.2最低共熔点温度T共熔物=183 最低共熔混合物组成：含锡61.9%T铅=326.2 T锡= 231.1 查文献值：铅的沸点T=327 锡的沸点T=232 相对误差：铅=（327-362.2）*100%/327=0.24%锡=（232-231.1）*100%232=0.39%实 验 报 告 纸