The water - soluble Monascus yellow pigment was prepared from the Monascus red pigment and sodium dithionite in base solution.
红曲红色素与连二亚硫酸钠在碱性溶液中反应，制得水溶性红色素。
Generally, the ionizable salt of the drug is more water soluble than the free acid or free base.
通常，药物的电离的盐比自由酸或自由基地溶于水。
The interfering effects of surfactants on the effectiveness of water soluble rust inhibitors in water base metal working fluids and water base metal cleaners were investigated.
水基金属加工液、水基金属清洗剂中表面活性剂对水溶性防锈剂的防锈作用有一定的影响。
The interfering effects of surfactants on the effectiveness of water soluble rust inhibitors in water base metal working fluids and water base metal cleaners were investigated.
水基金属加工液、水基金属清洗剂中表面活性剂对水溶性防锈剂的防锈作用有一定的影响。
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