Molaidhean àireamhachaidh #chemical:

Molaidhean àireamhachaidh #chemical:

Ciamar a dh ’atharraicheas tu an% gu ppm?

Freagairt: iomadaich le 10000

Mar eisimpleir: 0.002% × 10000 = 20ppm

Ciamar a dh ’atharraicheas tu an ZnO% gu Zn%?

Freagairt: ZnO% × 0.81 = Zn%

Mar eisimpleir: ZnO 95% × 0.8025 = Zn76.24%

As #ZnO molecular weight is 81, #Zn molecular weight is 65 , so 65/81=0.8025