【40%水溶性水杨酸】基本信息:
英文名:40%Water soluble salicylic acid
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性状:白色粉末;特征性气味
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溶解性:溶于水(水杨酸≥5%)
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水杨酸含量:40%~45%
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纯度:99%
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分子式:C7H6O3
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规格:1kg/袋,10kg/袋/桶
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【40%水溶性水杨酸】检测标准:
| 检验项目 ITEMS | 标准 criteria |
| 性状 Appearance | 本品为白色或类白色粉末;水溶液显酸性反应。 White or almost white amorphous powder.;Acidic reaction in aqueous solution. |
| 有效含量Assay | ≥40% |
| 溶解度Solubility | ≥5% |
| 重金属 Heavy Metal | ≤10ppm |
| pH(5%) | 3.0~5.0 |
贮藏 Packaging and storage | 密封,在干燥处保存 Preserve in well-closed containers. |
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