bleached shellac 漂白虫胶片 ; [林] 漂白虫胶 ; 漂白紫胶 ; 脱氯
refined bleached shellac 精制漂白紫胶
regular bleached shellac 普通漂白紫胶
shellac bleached 白虫胶
bleached d shellac 漂白虫胶片
The bleached natural shellac product with low chlorine content was prepared by means of catalytic hydrogenation of the bleached shellac in the presence of Ni-Fe binary-metal catalyst and hydrogen.
制备和表征了在食品及制药业中广泛使用的天然低氯漂白紫胶。
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