北京仪特诺提供的专业的测硫酸电子密度计，测试硫酸直接显示密度值，配有专业的耐腐蚀的配件。具体电话：。
硫酸是一种高腐蚀性的无机强酸，一般为透明至微黄色（含有杂质时），有时亦会被染成暗褐色以提高人们对其的警惕性。其有高沸点、易溶于水、在不同浓度下有不同的特性，故有不同的应用，亦是许多化工产品的原料。其能对皮肉造成严重腐蚀，在使用时应十分谨慎。硫酸是六大无机强酸之一，也是酸中见的强酸之一
纯硫酸一般为无色油状液体，密度1.84 g/cm³，沸点337℃，能与水以任意比例互溶，同时放出大量的热，使水沸腾。加热到290℃时开始释放出三氧化硫，最终变成为98.54%的水溶液，在317℃时沸腾而成为共沸混合物。
| 20℃硫酸的比重（密度）与浓度对照表 | |||||||
| 比重 | 含量 | 比重 | 含量 | 比重 | 含量 | 比重 | 含量 |
| 1 | 0.3 | 1.215 | 29.6 | 1.43 | 53.5 | 1.645 | 72.9 |
| 1.005 | 1 | 1.22 | 30.2 | 1.435 | 54 | 1.65 | 73.4 |
| 1.01 | 1.7 | 1.225 | 30.8 | 1.44 | 54.5 | 1.655 | 73.8 |
| 1.015 | 2.5 | 1.23 | 31.4 | 1.445 | 55 | 1.66 | 74.2 |
| 1.02 | 3.2 | 1.235 | 32 | 1.45 | 55.4 | 1.665 | 74.6 |
| 1.025 | 4 | 1.24 | 32.6 | 1.455 | 55.9 | 1.67 | 75.1 |
| 1.03 | 4.7 | 1.245 | 33.2 | 1.46 | 56.4 | 1.675 | 75.5 |
| 1.035 | 5.5 | 1.25 | 33.8 | 1.465 | 56.9 | 1.68 | 75.9 |
| 1.04 | 6.2 | 1.255 | 34.4 | 1.47 | 57.4 | 1.685 | 76.3 |
| 1.045 | 7 | 1.26 | 35 | 1.475 | 57.8 | 1.69 | 76.8 |
| 1.05 | 7.7 | 1.265 | 35.6 | 1.48 | 58.3 | 1.695 | 77.2 |
| 1.055 | 8.4 | 1.27 | 36.2 | 1.485 | 58.8 | 1.7 | 77.6 |
| 1.06 | 9.1 | 1.275 | 36.8 | 1.49 | 59.2 | 1.705 | 78.1 |
| 1.065 | 9.8 | 1.28 | 37.4 | 1.495 | 59.7 | 1.71 | 78.5 |
| 1.07 | 10.6 | 1.285 | 37.9 | 1.5 | 60.2 | 1.715 | 78.9 |
| 1.075 | 11.3 | 1.29 | 38.5 | 1.505 | 60.6 | 1.72 | 79.4 |
| 1.08 | 12 | 1.295 | 39.1 | 1.51 | 61.1 | 1.725 | 79.8 |
| 1.085 | 12.7 | 1.3 | 39.7 | 1.515 | 61.5 | 1.73 | 80.2 |
| 1.09 | 13.4 | 1.305 | 40.2 | 1.52 | 62 | 1.735 | 80.7 |
| 1.095 | 14 | 1.31 | 40.8 | 1.525 | 62.4 | 1.74 | 81.2 |
| 1.1 | 14.7 | 1.315 | 41.4 | 1.53 | 62.9 | 1.745 | 81.6 |
| 1.105 | 15.4 | 1.32 | 41.9 | 1.535 | 63.4 | 1.75 | 82.1 |
| 1.11 | 16.1 | 1.325 | 42.5 | 1.54 | 63.8 | 1.755 | 82.6 |
| 1.115 | 16.7 | 1.33 | 43.1 | 1.545 | 64.3 | 1.76 | 83.1 |
| 1.12 | 17.4 | 1.335 | 43.6 | 1.55 | 64.7 | 1.765 | 83.6 |
| 1.125 | 18.1 | 1.34 | 44.2 | 1.555 | 65.1 | 1.77 | 84.1 |
| 1.13 | 18.8 | 1.345 | 44.7 | 1.56 | 65.6 | 1.775 | 84.6 |
| 1.135 | 19.4 | 1.35 | 45.3 | 1.565 | 66 | 1.78 | 85.2 |
| 1.14 | 20.1 | 1.355 | 45.8 | 1.57 | 66.5 | 1.785 | 85.7 |
| 1.145 | 20.7 | 1.36 | 46.3 | 1.575 | 66.9 | 1.79 | 86.3 |
| 1.15 | 21.4 | 1.365 | 46.9 | 1.58 | 67.3 | 1.795 | 87 |
| 1.155 | 22 | 1.37 | 47.4 | 1.585 | 67.8 | 1.8 | 87.7 |
| 1.16 | 22.7 | 1.375 | 47.9 | 1.59 | 68.2 | 1.805 | 88.4 |
| 1.165 | 23.3 | 1.38 | 48.4 | 1.595 | 68.7 | 1.81 | 89.2 |
| 1.17 | 23.9 | 1.385 | 49 | 1.6 | 69.1 | 1.815 | 90.1 |
| 1.175 | 24.6 | 1.39 | 49.5 | 1.605 | 69.5 | 1.82 | 91.1 |
| 1.18 | 25.2 | 1.395 | 50 | 1.61 | 70 | 1.825 | 92.2 |
| 1.185 | 25.8 | 1.4 | 50.5 | 1.615 | 70.4 | 1.83 | 93.6 |
| 1.19 | 26.5 | 1.405 | 51 | 1.62 | 70.8 | 1.835 | 95.7 |
| 1.195 | 27.1 | 1.41 | 51.5 | 1.625 | 71.2 | 1.836 | 97 |
| 1.2 | 27.7 | 1.415 | 52 | 1.63 | 71.7 | 1,84 | 98 |
| 1.205 | 28.3 | 1.42 | 52.5 | 1.635 | 72.1 | ||
| 1.21 | 28.9 | 1.425 | 53 | 1.64 | 72.5 | ||