Modification of rosin, preparation and selection of rosin emulsifier and rosin precipitating agent were introduced in this paper, so that the rosin sizing agent can be used under neutral condition.
综述分散松香胶在中性条件下施胶中松香改性、松香乳化剂、松香助留剂的制备和选择。
This paper discusses the effects of sample resting when precipitating agent is added on experiment results by using EDTA volumetric method for the determination of SO 2- 4 in water.