Lông-tō͘

Kē lông-tō͘ (chó) kàu ko lông-tō͘ (iū) ê iông-e̍k.

Lông-tō͘ (濃度; Eng-bûn: concentration) sī bó͘ bu̍t-chit tī chóng-liōng tiong chiàm-iú ê hun-liōng.

Khah chia̍p-khòaⁿ ê lông-tō͘ piáu-sī hong-sek ū ē-té kúi-nā khoán:

• Chit-liōng hun-sò͘ (mass fraction)
• Thé-chek hun-sò͘ (volume fraction)
• Ppm (parts-per million)
• Chit-liōng mol lông-tō͘ (molality)
• Thé-chek mol lông-tō͘ (molarity)
• Mol hun-sò͘ (mole fraction)
• Chit-liōng lông-tō͘ (mass concentration)