na INLIS000000000009792 20240223092428 0010-0521009792 240223 | | 0-935584-42-0 en 543.06/OFF2 543.06/OFF2 Kenneth OFFICIAL methods of analysis of the association of official analytical chemists.- 15 th. / Kenneth 15th edition Arlington : Association of Official Analytical Chemists, 1990 xxiv, 746 p.: ill.; 29 cm. AGRICULTURE -- CHEMISTRY -- CHEMICAL ANALYSIS 263/BPV/93