Collaborative check for papaquat in formulations.
D002713:Chlorine / Q000032:analysis; D005069:Evaluation Studies as Topic; D008722:Methods; D010269:Paraquat / Q000032:analysis*; D011786:Quality Control; D013053:Spectrophotometry; D013464:Sulfuric Acids / Q000032:analysis
D013464:Sulfuric Acids; D002713:Chlorine; D010269:Paraquat