โครงสร้างหัวข้อ

  • General

    ย่อทั้งหมด ขยายทั้งหมด
    • URL icon
      Japanese URL

    • Professor Seki retired from Hokkaido University in March, 2024.

  • Baume scale (floating scale)




  • Density measurement of fluids with a volumetric pipette

    • 1. testing a volumetric pipette


      a. Measure distilled water with a volumetric pipette

      b.Measure the weight and water temperature of distilled water

      c.Check the density of water with a chemistry handbook

      d. Calculate the volume from the weight of water

      2. determine the density of a sample


      a.Measure the sample with a volumetric pipette

      b. Measure the weight of the sample

      c. Calculate the density from the weight of the sample and the volume of the volumetric pipette


  • Relationship between water density and temperature

    • 水の密度　Density of water

      温度　Temperature

      小数点以下　Decimal point