45%司盘-60(HLB=4.7)和55%的吐温-60(HLB=14.9)组成的表面活性剂的HLB值是
2023-07-01
A.5.4
B.6.8
C.10.31
D.13.5
E.14.1
参考答案:C
B.6.8
C.10.31
D.13.5
E.14.1
参考答案:C
HLB 混合=(HLBa*Wa+HLBb*Wb)/(Wa+Wb)。即HLB混合=(4.7*45%+14.9*55%)/(45%+55%)=10.31
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