AOAC Official Method 992.31 Ethylene Thiourea (ETU) Residues in Finished Drinking Water Gas Chromatographic Method Using Nitrogen–Phosphorus Detector First Action 1992 Final Action 1997
AOAC Official Method 992.31 Ethylene Thiourea (ETU) Residues in Finished Drinking Water Gas Chromatographic Method Using Nitrogen–Phosphorus Detector First Action 1992 Final Action 1997
标签:AOAC