硫酸浓度与比重对照表

1、硫酸浓度与比重对照表100g中含量（克）1升中含量（克）比重20/4 C100g中含量（克）1升中含量 （克）比重20/4 C110.051.00564986.91.542220.241.0126510101.553330.5510.186610331.565441.001.0256710561.576551.591.0326810791.587662.311.0386911031.599773.171.0457011271.611884.081.0527111521.622995.321.0597211761.63410106.61.0667312011.64611118.11.073741

2、2261.65712129.61.0807512521.66913141.41.0877612781.68114153.31.0957713031.69315165.31.1027813291.70416177.51.1097913551.71617189.91.1178013821.72718202.41.1248114081.73819215.01.1328214351.74920227.91.1398314601.75925294.61.1788414861.76930365.61.2198515121.77935441.01.2608615371.78740521.11.3038715

3、621.79545606.41.3488815861.80250697.61.3958916101.80951716.51.4059016331.81453755.11.4259116561.81955794.91.4459216781.82456815.21.4569317001.82857835.71.4669417211.83158856.51.4779517421.83459877.61.4889617621.835560899.01.4989717811.836461920.61.5099817991.836162942.41.5209918161.834263964.51.5311

4、0018311.8305硝酸的百分比浓度、当量浓度及比重对照表百分比当量浓比重百分比当量浓比重百分比当量浓比重浓度%度ND4-20浓度%度ND4-20浓度%度ND4-201.000.161.003627.145.001.160953.0011.131.32782.000.321.009128.005.181.166654.0011.471.33363.100.501.015229.005.401.173355.0011.691.33934.000.651.020130.005.621.180056.1812.001.34595.000.811.025631.736.001.191657.001

5、2.221.35056.111.001.031832.006.061.193458.0012.481.35607.001.151.036933.006.291.200259.0012.751.36148.001.321.042734.006.511.207159.9513.001.36649.001.501.048535.006.741.220561.0013.281.371910.001.671.054336.127.001.221362.0013.551.376911.832.001.065137.007.201.227063.6914.001.385112.002.031.066138.

6、007.441.233564.0014.081.386613.002.211.072139.007.671.239965.0014.351.391314.002.401.078140.378.001.248766.0014.621.395915.002.581.084241.008.151.252767.4115.001.402216.002.771.090342.008.301.259168.0015.161.404817.223.001.097843.008.641.265569.0015.431.409118.003.151.102644.489.001.275070.0015.701.

7、413419.003.341.108845.009.131.278371.1016.001.418020.003.541.115046.009.381.284772.0016.251.421821.003.741.121347.009.631.291173.0016.521.425822.314.001.129648.4610.001.300574.0016.791.429823.004.141.134049.0010.141.304074.7717.001.432824.004.341.140450.0010.391.310075.0017.061.433725.004.551.146951

8、.0010.651.316076.0017.341.437526.004.761.153452.3511.001.3240盐酸浓度与比重对照表HCL含量（克）HCL含量（克）100g中含量1升中含量比重20/4 C100g中含量1升中含量比重20/4 C110.031.00322243.81.108220.161.00824268.51.119440.721.01826293.51.129661.671. 02828319.01.139883.011.03830344.81.14910104.71.04732371.01.15912126.91.05714149.51.06816172.41.

9、07818195.81.08820219.61.09840397.5424.4451.6479.21.1691.1791.1891.198磷酸浓度与比重对照表HPO含量（克）比重20/4 CH3PO含量（克）比重20/4 C100g中含量1升中含量100g中含量1升中含量110.041.00455758.51.379330.491.01460855.61.426551.371.02565958.81.475883.361.0427010681.52610105.31.0537511841.57915162.41.0828013061.63320222.71.1138514361.6892528

10、6.61.1469015711.74630354.21.1809617461.81935425.61.2169818071.84440501.61.25410018701.87045581.91.29350667.51.335氯化钠溶液浓度与比重对照表%10 C时20 C时10 C时20 C时11.007071.00534141.104911.1008521.014421.01246161.120561.1162141.029201.02680181.136431.1319061.044081.04127201.152541.1477981.059071.05589221.168911.163

11、95101.074191.07068241.185571.18040121.089461.08566261.202541.19717脱脂、除锈、磷化工艺中出现的问题、原因及解决办法一、脱脂部分问题原因解决方法脂脂不彻底1、脱脂液浓度低2、脱脂时间短3、脱脂液温度太低4、局部油脂太厚5、脱除的油脂浮在脱脂液表面部分太厚1、增加脱脂剂的含量2、延长脱脂处理时间3、将脱脂液升温4、利用擦拭等方法进行预处理5、将脱脂液中较厚的油层撇出喷淋式处理泡沫溢出药液槽1、消泡剂加入量太少2、消泡剂失效1、补加消泡剂2、更换消泡剂喷淋处理过程中喷嘴堵1、脱脂剂没有彻底溶解2、脱脂剂或脱脂槽有杂物1、将脱脂剂彻底溶

12、解后再启动咼压 泵塞2、消除杂物、除锈部分问题原因解决方法除锈不彻底1、除锈时间短2、除锈液浓度低3、高温形成的氧化皮太厚，太致密4、工件表面有油脂层5、除锈液中铁离子含量过咼，除锈液失效1、延长除锈时间2、增加酸的含量，并按比例加入添 加剂3、延和长酸洗时间，增加酸的浓度 或采用其他机械方法辅助除锈4、除锈前进行脱脂处理5、更换除锈液除锈液酸雾 太大或工件 经除锈液处 理后有氢脆 或过腐蚀现 象产生1、酸的浓度太高2、除锈液中添加剂加入量不足3、处理时间过长1、加水稀释调整酸的浓度，使其保持在技术要求的浓度围2、按酸液的不同，按比例加入添加 剂3、缩短处理时间硫酸比重与温度变化关系：依GB/T11198.1 -11198.15P0 = pt1 + .000025(20