by volume,mass concentration,percentage by mass,percentage by weight,weight by volume,weight per volume,weight-in-volume /INDUSTRY-CHEM/
[DE] Gewichts-Volumprozent; Gewichtsprozent; Konzentration; Massenkonzentration; Milligrammprozent; Partialdichte; Prozent; mg-Prozent
[EN] by volume; mass concentration; percentage by mass; percentage by weight; weight by volume; weight per volume; weight-in-volume
[FR] concentration massique; concentration pondérale; pourcentage pondéral