Phospholipid in mice liver and kidney was extracted by the Bligh-Dyer method and fatty acid compositions of the phospholipid were assayed using gas chromatog-raphy.

• 用Bligh-Dyer法提取、在TCL制备板上分离动物脏器组织中的磷脂，用薄层层析气相色谱法分离和测定磷脂各种脂肪酸的组成。 动物脏器中的砷含量采用二乙氨基二硫代甲酸银比色法测定。