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           __   __    _  __     ___      ______  
  ____     \ \\/ //  | |/ //   / _ \\   /_____// 
 |    \\    \ ` //   | ' //   | / \ ||  `____ `  
 | [] ||     | ||    | . \\   | \_/ ||  /___//   
 |  __//     |_||    |_|\_\\   \___//   `__ `    
 |_|`-`      `-`'    `-` --`   `---`    /_//     
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Text this: The effect of surfactant concentration on the interlayer structure of organoclay