measuring interface tension between some oil and water based on pendant drop method

We measured IFT between oil and water using pendant drop method, result as shown below and as video. We used image enhancement for measurement of interface tension.
Name Density IFT-water(mN/m)
castor oil 0.962 17.402
Wheatgerm Oil 0.93 21.982
Medium Chain
Triglycerides 0.947 17.245
fish oil 0.934 5.087
dimethyl silicone 0.961-0.969 26.6
liquid paraffin 0.830-0.860 38.542
olive oil 0.9090-0.9150 16.82