Aluminium hydroxide with 99.99% of purity was obtained by two-step purifying aluminium sulfate solution made from aluminium hydroxide and sulfuric acid with industry purity.
以工业氢氧化铝和硫酸为原料，采用两步纯化溶液法制得了纯度为99.99%的氢氧化铝粉。
Suitable retraction agents include aluminium hydroxide chloride, aluminium sulfate or ferric sulfate solutions.
理想的牙龈收缩试剂包括氢氧化铝氯化物，硫酸铝或硫酸铁溶液。
Suitable retraction agents include aluminium hydroxide chloride, aluminium sulfate or ferric sulfate solutions.
理想的牙龈收缩试剂包括氢氧化铝氯化物，硫酸铝或硫酸铁溶液。
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