1、三价将比色组操作说明1 .先以滴定分析或以铭酸比重的方式,得到溶液的铝酸浓度仕匕重计应在室温使用）O2 .吸取由下表中的该铭酸浓度所对应的取样量，置入比色试管中，加水稀释至刻度，并搅拌均匀。3 .将比色试管插于比色架的中孔位置，两侧放置标准比色试管比对，得所对应的比色管号码，即可由表中差得三价铭浓度；假设无对应的比色号码，那么取相邻的两组号码，再以内插法求得三价铭浓度的近似值。假设光线缺乏，不易比对时，应点亮所附光源，置于背景处，再行比对。辂酸浓度取样量三价格浓度（Cr3+g/1）CrO3g/1mlNo.lNo.2No.3No.4No.5No.610020.00.001.002.003.004
2、005.0010519.00.001.052.103.154.205.2511018.20.001.102.203.304.405.5011517.40.001.152.303.454.605.7512016.70.001.202.403.604.806.0012516.00.001.252.503.755.006.2513015.40.001.302.603.905.206.5013514.80.001.352.704.055.406.7514014.30.001.402.804.205.607.0014513.80.001.452.904.355.807.2515013.30.001.5
3、03.004.506.007.5015512.90.001.553.104.656.207.7516012.50.001.603.204.806.408.0016512.10.001.653.304.956.608.2517011.80.001.703.405.106.808.5017511.40.001.753.505.257.008.7518011.10.001.803.605.407.209.0018510.80.001.853.705.557.409.2519010.50.001.903.805.707.609.5019510.20.001.953.905.857.809.752001
4、0.00.002.004.006.008.0010.002059.70.002.054.106.158.2010.252109.50.002.104.206.308.4010.502159.30.002.154.306.458.6010.752209.10.002.204.406.608.8011.002258.90.002.254.506.759.0011.252308.70.002.304.606.909.2011.502358.50.002.354.707.059.4011.752408.30.002.404.807.209.6012.002458.20.002.454.907.359.
5、8012.2550)()5.50.00.25.503.3.3.Ooo4680.0.0.OoooJ2345.5.5.5.050.6.6.70000000000乃3.,Oo201.408.524.401.558.705.O5574.4.6080708.588.0505.8.899Z2ZZ0000000000310987776605050O25.705.5.5.5.G)()G.20,4060809.549.406.405050。OJJ23.3.3.3.3.0000000000SSS0.。.75432Aw505052.5.7.026.GGZZ403.6080579.05S53O.0000000000。
6、0.。S。111O986.6.6.5.5.507-5.7Z.00.25.5018.18.18.Ooo4.6.84.4.4OooooOJ.23477777553.05066.73.3.3.0000000000SSS0.。.76.5.545.00,507乃3.9.0020401.,607.25405.707O5579.9.5.807085.807.9070505.8.8993.3.3.3.0000000000050025SSSS1.2222240G)()&O8.1300504.44.乃Oo45Z40&5O124.4.,502202.908.605O2344.00000000000000SSSSSs
7、0.099884-4-4-4-.7.64生21.7517.4013.058.704.350.004.6435250255260265270Z752802852902953003053103153203253303353403453503553603653703753803853903954004054104154204254304404.50.004.408.8013.2017.6022.004454.50.004.458.9013.3517.8022.254504.50.004.509.0013.5018.0022.50玉期企业地址：台北县五股乡五权八路46号：866-2-22993600-7：886-2-22994200-1
