【摘要】 在分析各国 pH 指示剂质量标准的基础上,对如何制订我国 pH 指示剂的质量标准进行了探讨。更多还原

【Abstract】 Based on the review of the specifications ofpH indicators of foreign countries,a discussionon how to establish the specifications of pHindicators of our country is described.更多还原