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| acid value; pH; pH value; pH-value | |||
| pH-value (pH = concentration of hydrogen ions, pH = concentrazione di ioni idrogeno) | |||
| valore pH: 1 phrase in 1 subject |
| Environment | 1 |
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| |||
| acid value; pH; pH value; pH-value | |||
| pH-value (pH = concentration of hydrogen ions, pH = concentrazione di ioni idrogeno) | |||
| valore pH: 1 phrase in 1 subject |
| Environment | 1 |