NTA Chelating Agent


Chelating Agent


NTA-40 is a chelating agent used in acidizing or low pH fluids to control solubilized iron.

NTA-40 is compatible with most additives and surfactant packages used in acidizing. It is most effective in HCl Acid solutions and is very stable at high temperatures without any physical degradation to the chemical properties.

NTA-40 is one of the more cost effective iron controlling products used in the industry.  

Specific Gravity:                                            10.6-10.7ppg

Appearance:                                                  Clear to pale yellow

Odor:                                                              Slight Ammonia

pH:                                                                 11-12 (1% Solution)


 NTA-40 has a recommended loading of  1gpt to every 140ppm of  iron, and is based on crude oil type and the anticipated amount of ferric iron that may be encountered during the acidizing treatment. It is recommended to test the acid and oil in combination with the iron to determine the proper loading schedule.