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TRIZINDABA ZOMTHETHO
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IiMfuno zobuGcisa kwi-S...
2021-07-09
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Itshathi equkuqelayo yesodium esesikweni...
2021-07-09
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2021-07-09
Amanye amacebiso okubala #ikhemikhali:
Ixesha: 2021-02-28 Indawo: 22
Amanye amacebiso okubala #ikhemikhali:
How to change the % to ppm ?
Answer : multiply by 10000
For example : 0.002% ×10000=20ppm
How to change the ZnO% to Zn%?
Answer: ZnO% ×0.81=Zn%
For example :ZnO 95% ×0.8025=Zn76.24%
As #ZnO molecular weight is 81, #Zn molecular weight is 65 , so 65/81=0.8025
