Journal of Applied Optics, Volume. 46, Issue 4, 852(2025)

Novel method to measure solution concentration based on light attenuation

Yiyue TANG1, Xinxin CHEN1, Xiurong LI2, Qinghong ZHANG2, and Long CHEN1、*
Author Affiliations
  • 1School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 611756, China
  • 2Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • show less
    Figures & Tables(9)
    Schematic diagram of light attenuation method
    Spectrogram of 7 samples at 400 nm~800 nm
    Configuration concentration and absorption coefficient confirmation
    Diagram of experimental device
    Effective absorption length of distilled water at 50 cm depth
    • Table 1. Seven diluted sample solutions of different concentrations

      View table
      View in Article

      Table 1. Seven diluted sample solutions of different concentrations

      样品标签移液量/ml样品浓度/(mol·L−1
      160.06b
      2100.1b
      3200.2b
      4400.4b
      5600.6b
      6800.8b
      7b
    • Table 2. Pharmaceuticals and measuring equipment

      View table
      View in Article

      Table 2. Pharmaceuticals and measuring equipment

      类别名称厂家具体参数
      药品五水合硫酸铜上海泰坦科技股份有限公司含量≥99.0%
      试剂工业蒸馏水仟旭环保电导率≦1 μS·cm−1
      称量设备精密电子秤常州幸运JA4000C,精度0.01g
      移液设备单道可调移液器力辰科技量程2 ml~10 ml
      分光光度计双光束检测紫外可见分光光度计上海佑科仪器有限公司T3202S,吸光度范围0~3(0.1 dB),精度0.001(0.1 dB)
      激光器固体脉冲激光器浙江金州激光科技有限公司脉冲宽度8.625 ns,波长532 nm
      光电倍增管PMT海南展创光电技术有限公司XP3960
    • Table 3. Effective absorption length, fitting concentration and relative errors of different theoretical concentrations

      View table
      View in Article

      Table 3. Effective absorption length, fitting concentration and relative errors of different theoretical concentrations

      有效吸收 长度/cm理论浓度/ (mol·L−1拟合浓度/ (mol·L−1相对 误差/%
      1 0200
      9690.000 2110.000 2081.42
      8920.000 6320.000 5709.81
      8480.000 8420.000 8034.63
      7920.001 0520.001 1398.27
    • Table 4. Maximum system errors and random errors allowed by pipette

      View table
      View in Article

      Table 4. Maximum system errors and random errors allowed by pipette

      测量 体积/mL允许最大 系统误差/mL允许最大 随机误差/mL不确定 度/mL
      100.060.0200.100
      50.060.0150.090
      20.060.0120.084
    Tools

    Get Citation

    Copy Citation Text

    Yiyue TANG, Xinxin CHEN, Xiurong LI, Qinghong ZHANG, Long CHEN. Novel method to measure solution concentration based on light attenuation[J]. Journal of Applied Optics, 2025, 46(4): 852

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: May. 23, 2024

    Accepted: --

    Published Online: Sep. 16, 2025

    The Author Email: Long CHEN (陈龙)

    DOI:10.5768/JAO202546.0403005

    Topics