The following is the formula for adding Liquid Calcium Nitrate to Anhydrous Ammonia to prevent the manufacture of meth:
NH3 Meth Inhibitor
Requires 9.3# Nitrate / Ton of NH3 (Must Use Liquid Calcium Nitrate)
Requires 9 Gallons of Liquid Calcium Nitrate (CN-9) / Ton of NH3 (Liquid Calcium Nitrate Must be Injected Through the Liquid Withdrawal Valve to Avoid Increasing Tank Pressure Beyond Pressure Relief Valve Setting)
DEA Test Results on Meth Inhibitor
Metallurgy Testing on NH3 Tank Steel
DEA Report on Calcium Nitrate in Anhydrous Ammonia
Fertilizer Industry Meth Task Force Meets–11-2-2006
Ag Retailers Seeking Technical Assistance on how to Introduce the Inhibitor in NH3 Nurse Tanks Should Contact John Whipple at the Iowa Department of Agriculture and Land Stewardship. 515/281-8610 [email protected]