正丁醇/丙酸与腐殖酸相互作用的NMR研究
张书怀1,2,马慧1,2,郭朝晖1,2,马敏珺1,2,乔岩1,2,*(
),王英雄1,2,*()
),王英雄1,2,*()
Interactions Between n-Butanol/Propionic Acid and Humic Acid Studied by NMR Spectroscopy
Shu-huai ZHANG1,2,Hui MA1,2,Zhao-hui GUO1,2,Min-jun MA1,2,Yan QIAO1,2,*(),Ying-xiong WANG1,2,*()
),Ying-xiong WANG1,2,*()
图4. 溶液pH对正丁醇和丙酸化学位移的影响.(a) 正丁醇和丙酸混合溶液，pH=3.6；(b) DCl和NaOD调配后的正丁醇和丙酸混合溶液，pH=6.2；(c) 添加浓度为20 mg/mL HA后的正丁醇和丙酸溶液，pH=6.2
Fig.4. The effect of solution pH on the chemical shift of n-butanol and propionic acid. (a) The original solution of n-butanol and propionic acid, pH=3.6; (b) Solution of n-butanol and propionic acid after pH adjustment with DCl and NaOD, pH=6.2; (c) Solution of n-butanol and propionic acid after addition of 20 mg/mL HA, pH=6.2
