酸度计的测量范围

本文章主要介绍了：酸度计的测量范围,校准酸度计,ph酸度计需要校准电位吗,酸度计的测量范围等信息

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-Electrodearmwithredesignedholder
-Universalpoweradapter
OrionStarA211pHBenchtopMeterKitwith
pH/ATCTriodeElectrode
-8157BNUMDOrionROSSUltrapH/ATCTriode
electrodewithepoxybody,refillable
-810199All-in-OnepHBufferKit(475mLeachof
pH4,7and10buffers;storagesolution;and
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-Electrodearmwithredesignedholder
-Universalpoweradapter
Accessories
Description
OrionStarstirrerprobe
BenchtopelectrodearmforOrionStarA-seriesmeters
(酸度计的测量范围)

无线电学类计量校准:蓝牙综合测试仪、手机综合测试仪、网络分析仪、示波器、频谱分析仪、晶体管图示仪、音频阻抗仪、音频分析仪、数据采集器、信号发生器、测量接收机(EMI)、声级计…….
理化类计量校准:量筒、量杯、吸量管、滴定管、紫外分光光度计、原子吸收分光光度计、可见光分光光度计、原子吸收光谱仪、液相色谱仪、气相色谱仪、ICP（高频等离子体发射光谱仪）、电导率仪、粘度计、量筒、移液管、滴定管、密度计、酸度计、ROHS测试仪(X射线荧光光谱仪/环保测试仪)、木材水份仪、阿贝折射仪、自动电位滴定仪、酶标分析仪、PH计…….
(酸度计的测量范围)

常用缓冲溶液的配制方法1．甘氨酸–盐酸缓冲液（0.05mol/L）X毫升0.2mol/L甘氨酸+Y毫升0.2mol/LHCI，再加水稀释至200毫升pHXYpHXY2.02.42.62.4000118588.032.424.216.83.03.23.43.4000118588.48.26.45.0甘氨酸分子量=75.07，0.2mol/L甘氨酸溶液含15.01克/升。2．邻苯二甲酸–盐酸缓冲液（0.05mol/L）X毫升0.2mol/L邻苯二甲酸氢钾+0.2mol/LHCl，再加水稀释到20毫升pH(20℃)XYpH(20℃)XY2.22.42.62.83.0555554.0703.9603.2952.6422.0223.23.43.63.855551.4700.9900.5970.263邻苯二甲酸氢钾分子量=204.23，0.2mol/L邻苯二甲酸氢溶液含40.85克/升3．磷酸氢二钠–柠檬酸缓冲液pH0.2mol/LNa2HPO4（毫升）0.1mol/L柠檬酸（毫升）pH0.2mol/LNa2HPO4（毫升）0.1mol/L柠檬酸（毫升）2.22.42.62.83.03.23.43.63.84.04.24.44.64.85.00.401.242.183.174.114.945.706.447.107.718.288.829.359.8610.3010.6018.7617.8216.8315.8915.0614.3013.5612.9012.2911.7211.1810.6510.149.705.25.45.65.86.06.26.46.66.87.07.27.47.67.88.010.7211.1511.6012.0912.6313.2213.8514.5515.4516.4717.3918.1718.7319.1519.459.288.858.407.917.376.786.155.454.553.532.611.831.270.850.55Na2HPO4分子量=14.98，0.2mol/L溶液为28.40克/升。Na2HPO4·2H2O分子量=178.05，0.2mol/L溶液含35.01克/升。C4H2O7·H2O分子量=210.14，0.1mol/L溶液为21.01克/升。4．柠檬酸–氢氧化钠-盐酸缓冲液pH钠离子浓度（mol/L）柠檬酸（克）C6H8O7·H2O氢氧化钠(克)NaOH97%盐酸（毫升）HCl（浓）最终体积（升）①2.23.13.34.35.35.86.50.200.200.200.200.350.450.4000118588400011858840001185884000118588400011858840001185880①使用时可以每升中加入1克克酚，若最后pH值有变化，再用少量50%氢氧化钠溶液或浓盐酸调节，冰箱保存。5．柠檬酸–柠檬酸钠缓冲液（0.1mol/L）pH0.1mol/L柠檬酸（毫升）0.1mol/L柠檬酸钠（毫升）pH0.1mol/L柠檬酸（毫升）0.1mol/L柠檬酸钠（毫升）3.03.23.43.63.84.04.24.44.64.818.617.216.014.914.013.112.311.410.39.21.42.84.05.16.06.97.78.69.710.85.05.25.45.65.86.06.26.46.68.27.36.45.54.73.82.82.01.411.812.713.614.515.316.217.218.018.6柠檬酸C6H8O7·H2O：分子量210.14，0.1mol/L溶液为21.01克/升。柠檬酸钠Na3C6H5O7·2H2O：分子量294.12，0.1mol/L溶液为29.41克/毫升。6．乙酸–乙酸钠缓冲液（0.2mol/L）pH(18℃)0.2mol/LNaAc(毫升)0.3mol/LHAc(毫升)pH(18℃)0.2mol/LNaAc(毫升)0.3mol/LHAc(毫升)2.63.84.04.24.44.60.751.201.802.653.704.909.258.808.207.356.305.104.85.05.25.45.65.85.907.007.908.609.109.404.103.002.101.400.900.60Na2Ac·3H2O分子量=136.09，0.2mol/L溶液为27.22克/升。7．磷酸盐缓冲液（1）磷酸氢二钠–磷酸二氢钠缓冲液（0.2）pH0.2mol/LNa2HPO4(毫升)0.2mol/LNaH2PO4(毫升)pH0.2mol/LNa2HPO4(毫升)0.2mol/LNaH2PO4(毫升)5.85.96.06.16.26.36.46.56.66.76.86.98.010.012.315.018.522.526.531.537.543.549.555.092.090.087.785.081.577.573.568.562.556.551.045.07.07.17.27.37.47.57.67.77.87.98.061.067.072.077.081.084.087.089.591.593.094.739.033.028.023.019.016.013.010.58.57.05.3Na2HPO4·2H2O分子量=178.05，0.2mol/L溶液为85.61克/升。Na2HPO4·12H2O分子量=358.22，0.2mol/L溶液为71.64克/升。Na2HPO4·2H2O分子量=156.03，0.2mol/L溶液为31.21克/升。（2）磷酸氢二钠–磷酸二氢钾缓冲液（1/15mol/L）pHmol/L/15Na2HPO4(毫升)mol/L//15KH2PO4(毫升)pHmol/L//15Na2HPO4(毫升)mol/L//15KH2PO4(毫升)4.925.295.916.246.476.646.816.980.100.501.002.003.004.005.006.009.909.509.008.007.006.005.004.007.177.387.738.048.348.678.187.008.009.009.509.759.9010.003.002.001.000.500.250.100Na2HPO4·2H2O分子量=178.05，1/15M溶液为11.876克/升。KH2PO4分子量=136.09，1/15M溶液为9.078克/升。8．磷酸二氢钾–氢氧化钠缓冲液（0.05M）X毫升0.2MK2PO4+Y毫升0.2NNaOH加水稀释至29毫升pH(20℃)X(毫升)Y（毫升）pH(20℃)X(毫升)Y（毫升）5.86.06.26.46.66.85555550.3720.5700.8601.2601.7802.3657.07.27.47.67.88.05555552.9633.5003.9504.2804.5204.6809．巴比妥钠-盐酸缓冲液（18℃）pH0.04M巴比妥钠溶液0.2V盐酸pH0.04M巴比妥钠溶液(毫升)0.2N盐酸(毫升)6.87.07.27.47.67.88.08.40001185884000118588018.417.816.715.313.411.479.397.218.48.68.89.09.29.49.4000118588400011858805.213.822.521.651.130.700.35巴比妥钠盐分子量=206.18;0.04M溶液为8.25克/升10．Tris–盐酸缓冲液（0.05M，25℃）50毫升0.1M三羟甲基氨基甲烷（Tris）溶液与X毫升0.1N盐酸混匀后，加水稀释至100毫升。pHX(毫升)pHX(毫升)7.107.207.307.407.507.607.707.807.908.0045.744.743.442.040.338.536.634.532.029.28.108.208.308.408.508.608.708.808.9026.222.919.917.214.712.410.38.57.0三羟甲基氨基甲烷（Tris）HOCH2CH2OHCHOCH2NH2分子量=121.14;0.1M溶液为12.114克/升。Tris溶液可从空气中吸收二氧化碳，使用时注意将瓶盖严。11．硼酸–硼砂缓冲液（0.2M硼酸根）pH0.05M硼砂（毫升）0.2M硼砂（毫升）pH0.05M硼砂（毫升）0.2M硼酸（毫升）7.47.67.88.01.01.52.03.09.08.58.07.08.28.48.79.03.54.56.08.06.55.54.02.0硼砂Na2B4O7·H2O,分子量=381.43;0.05M溶液（=0.2M硼酸根）含19.07克/升。硼酸

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