Method: The sample wsa diluted by mobile phase containing acid.
方法：采用含酸的流动相稀释样品。
It was a glycoprotein containing 2.7% sugar by phenol-sulfuric acid reaction.
胶原蛋白为一种糖蛋白，经硫酸-苯酚法测定，其含糖量为2.7%。
It was a glycoprotein containing 2.7% sugar by phenol-sulfuric acid reaction.
胶原蛋白为一种糖蛋白，经硫酸-苯酚法测定，其含糖量为2.7%。
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