Assay of hydrazine in isoniazid and its formulations by difference spectrophotometry.
D006834:Hydrazines / Q000032:analysis*; D007538:Isoniazid / Q000032:analysis*; D013053:Spectrophotometry; D013607:Tablets / Q000032:analysis
D006834:Hydrazines; D013607:Tablets; C029424:hydrazine; D007538:Isoniazid