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Optimization on analysis method of toluene diisocyanate by gas chromatography
Dai Wenyan1, Hu Jinhuan2, Hao Changqing3
1. Cangzhou Kahiro Engineering Management Services Corporation Ltd., Cangzhou 061000, China; 2. Cangzhou Jinyuan Testing Technology Services Corporation Ltd.,Cangzhou 061000, China; 3. Cangzhou Zhulong Chemical Coropration Ltd.,  Cangzhou 061018, China


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