00338nam a2200121Ia 450000500170000000800410001702000150005805000240007324500420009725000080013926000310014765000380017820251229124844.0251229s9999    xx            000 0 und d  a0471676624  aQH 75.2 .M6 1976 C1 0aModern methods of chemical analysis .  a2nd  aNew YorkbJohn Wileyc1976  aChemistry,  Analytic-Quantitative