pH indicators
plural of pH indicator
Of food, drink, medication, chewing gum, etc: not containing sugar (and usually sweetened with a sugar substitute instead).
(tiling) Diagonally, tiles so laid relative to walls or walkway.
simple past tense and past participle of undererupt
土壌サンプルが酸性かアルカリ性かを判定するために、酸塩基指示薬を使用しました。
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