工業(yè)鹽酸的濃度檢測(cè)

1、工業(yè)鹽酸的濃度檢測(cè)工業(yè)鹽酸的濃度一般為33%,分析純的為36-38%之間，工業(yè)鹽酸的檢測(cè)具 體做法為：取5毫升鹽酸于250ml錐形瓶中，加水50ml，加酚酞指示劑2-3滴, 用濃度為1摩爾/升的naoh溶液滴定至尿黃色，讀取 naoh用量a，用a/5x 36.5=b.再對(duì)照化學(xué)用書上的表，就可以得到其濃度。naoh溶液必須是經(jīng)過(guò)標(biāo)定的，不然作出的結(jié)果會(huì)有些許的出入。鹽酸濃度的百分比濃度與克/升換算對(duì)照表濃度比重克/升濃度比重克/升濃度比重克/升濃度比重克/升15.01.073161.025.41.126286.0027.71.137315.2630.01.149344.8016.01.0781

2、72.425.51.126287.2527.81.138316.5430.11.150346.1117.01.083184.025.61.127288.5027.91.138317.8230.21.150347.4218.01.088195.625.71.127289.7528.01.139319.0030.31.151348.7319.01.093207.625.81.128291.0028.11.139320.2930.41.151350.0420.01.098219.625.91.128292.2528.21.140321.5830.51.152351.3521.01.103231.72

3、6.01.129293.5028.31.140322.8730.61.152352.6622.01.108243.826.11.129294.7828.41.141324.1630.71.153352.9723.01.114256.226.21.130296.0628.51.141325.4530.81.153355.2824.01.119268.526.31.130297.3428.61.142326.7430.91.154356.5924.11.119269.7526.41.131298.6228.71.142328.0331.01.154357.9024.21.120271.0026.5

4、1.131299.9028.81.143329.3231.11.155359.2124.31.121272.2526.61.132301.1828.91.143330.6131.21.155360.5224.41.121273.5026.71.132302.4629.01.144331.0031.31.156361.8324.51.121274.7526.81.133303.7429.11.144333.1931.41.156363.1424.61.122276.0026.91.133305.0229.21.145334.4831.51.157364.4524.71.122277.2527.0

5、1.134306.3029.31.145335.7731.61.157265.1624.81.123278.5027.11.134307.5829.41.146337.0631.71.158267.0724.91.123279.7527.21.135308.8629.51.146338.3531.81.158268.3825.01.124281.0027.31.135310.1429.61.147339.6431.91.159269.6925.11.124282.2527.41.136311.4229.71.147340.9232.01.159371.0025.21.125283.5027.5

6、1.136312.7029.81.148342.2232.11.160372.3325.31.125284.7527.61.137313.9829.91.149343.5132.21.160372.6625.41.126286.0027.71.137315.2630.01.149344.8032.31.161374.99常溫鋅系磷化液專業(yè)供應(yīng)商：32.31.161374.9932.81.164381.6433.31.166388.2933.81.169394.9432.41.162376.3232.91.164382.9733.41.167389.6233.91.169396.2732.51.162377.6533.01.165384.3033.51.167390.9534.01.170397.5032.61.163378.9833.11.165385.6333.