硝酸浓度与比重对照表.doc

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1、一、硝酸浓度与比重对照表(20℃/4℃)波美度°Be'比重HNO3(%)每升酸含HNO3克数波美度°Be'比重HNO3(%)每升酸含HNO3克数0.53.67.511.315.018.522.123.524.926.227.528.729.831.032.133.234.335.336.337.238.11.00361.02561.05431.08421.11501.14691.18001.19341.20711.22051.23351.24631.25911.27191.28471.29751.31001.32191.33361.34491.3560１５1015202

2、530323436384042444648505254565810.0451.28105.4162.6223.0286.7354.0381.9410.4439.4468.7498.5528.8559.6591.0622.8655.0687.4720.1753.1768.538.939.740.441.141.842.443.043.644.144.745.145.646.146.546.847.247.547.848.048.449.21.36671.37691.38661.39591.40481.41341.42181.42981.43751.44501.45211.

3、45891.46551.47161.47731.48261.48731.49121.49521.50081.51296062646668707274767880828486889092949698100　820.0　853.7　887.4　921.3　955.3　989.4　1024.0　1058　1093　1127　1162　1196　1231　1266　1300　1334　1368　1402　1435　1471　1513 C=1000PW/M其中C是物质的量浓度P是硝酸的密度，注意单位是g/mlW指的是硝酸的质量分数，也就是65%-68%，M指的是硝酸的摩尔质量（6

4、3g/mol)二、硫酸质量分数浓度、密度对照表硫酸溶液质量百分浓度密度g/cm-3100.0%1.830594.0%1.831290.0%1.814484.0%1.769380.0%1.727274.0%1.657470.0%1.610564.0%1.542160.0%1.498754.0%1.435150.0%1.395244.0%1.338640.0%1.302834.0%1.251830.0%1.219124.0%1.171420.0%1.139814.0%1.087410.0%1.06615.0%1.03181.0%1.0049三、浓度单位的换算公式：1）当量浓

5、度=1000.d.质量百分浓度/E2）质量百分浓度=当量浓度E/1000.d3）摩尔浓度=1000.d质量百分浓度/M4）质量百分浓度=质量-体积浓度（毫克/升）/104.d5）质量-体积浓度（mg/L）=104质量百分浓度5、ppm是重量的百分率，ppm=mg/kg=mg/L即:1ppm=1ppm=1000ug/L1ppb=1ug/L=0.001mg式中：E—溶质的克当量；d—溶液的比重；M—溶质的摩尔质量； 体积浓度是用每立方米的大气中含有污染物的体积数（立方厘米）或（ml/m3）来表示，   常用的表示方法是ppm，即1ppm=1立方厘米/立方米=10-6。除pp

6、m外，还有ppb和ppt，          他们之间的关系是：            1ppm=10-6=一百万分之一，           1ppb=10-9=十亿分之一，            1ppt=10-12=万亿分之一，             1ppm=103ppb=106ppt