| Acidity levels |
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| Acidity measures |
LA Times Mini |
18 Apr 2024 |
| Acidity counts, for short |
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| Acid or base figures |
Universal |
04 Sep 2022 |
| Measures of acidity |
Premier Sunday |
11 Oct 2020 |
| Acidity nos |
LA Times Daily |
19 Nov 2019 |
| Acidity nos |
The Washington Post |
19 Nov 2019 |
| Acidity nos. |
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| Measurements of 60-Acrosses |
New York Times |
11 Apr 2017 |
| Measurements of 60-Acrosses |
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| Acidity measures |
New York Times |
30 Nov 2016 |
| Acidity levels: Abbr |
LA Times Daily |
28 Aug 2016 |
| Some chem-class measurements |
The Chronicle of Higher Education |
15 Apr 2016 |
| Basic ones are above 7 |
New York Times |
14 Feb 2016 |
| Basic ones are above 7 |
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| Acidity measures |
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| Some chem-class measurements |
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| Acidity levels: Abbr. |
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| Factors in chem class |
Wall Street Journal |
29 May 2015 |
| Factors in chem class |
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| Agronomist's readings |
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| Acidity measures, informally |
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| Acidity nos. |
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| Chem. class measures |
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| Acidity nos. |
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| Acidity-level symbols |
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| Acidity-level symbols |
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| Acidity nos. |
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| Litmus test nos. |
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| Acidity measures |
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| Basic ones are over seven |
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| Acidity levels: Abbr. |
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| Measurements of alkalinity, perhaps |
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| Acidity nos. |
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| Measures of alkalinity |
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| H.H.S. arm |
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| Measures of acidity |
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| Light units: Abbr. |
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