磷钼蓝法测定水中总磷，所用的抗坏血酸溶液很不稳定，只能保存数周。
When determining TP of water using Phosphorus Molybdenum Blue Method, ascorbic acid solution was unstable, can only be kept for several weeks.
超氧阴离子自由基清除能力大小依次为：抗坏血酸、柠檬酸、总黄酮精制物、总黄酮粗提物。
The order of the O2 - · scavenging effect was ascorbic acid, citric acid, the refined extract, the crude extracts.
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