| 1. | Phenol - formaldehyde mouldings - detection of free ammonia 酚醛模塑制品游离氨的检定 |
| 2. | Determination of free ammonia in phenol - formaldehyde moldings 苯酚-甲醛树酯模制件中游离氨的测定 |
| 3. | Plastics - phenol - formaldehyde mouldings - detection of free ammonia 塑料.酚醛模塑件.游离氨的检验 |
| 4. | Plastics . phenol - formaldehyde mouldings . detection of free ammonia 塑料制品.酚醛树脂模制件.游离氨的检测 |
| 5. | Plastics - phenol - formaldehyde mouldings - detection of free ammonia iso 172 : 1978 ; german version en iso 172 : 1998 塑料.苯酚-甲醛模塑件.游离氨的检测 |
| 6. | Phenol - formaldehyde mouldings - determination of free ammonia and ammonium compounds - colorimetric comparison method 酚醛模塑制品游离氨和铵化合物的测定比色法 |
| 7. | Plastics - phenol - formaldehyde mouldings - determination of free ammonia and ammonium compounds - indophenol method 塑料制品.苯酚甲醛注模.游离氨和胺化合物的测定.靛酚法 |
| 8. | Plastics - phenol - formaldehyde mouldings - determination of free ammonia and ammonium compounds - colorimetric comparison method 塑料.苯酚-甲醛模塑料.游离氨和铵化合物的测定.比色法 |
| 9. | Plastics . phenol - formaldehyde mouldings . determination of free ammonia and ammonium compounds . colorimetric comparison method 塑料制品.酚醛树脂模制件.游离氨和铵化合物的测定.比色法 |
| 10. | Plastics - phenol - formaldehyde mouldings - determination of free ammonia and ammonium compounds ; colorimetric comparison method iso 120 : 1977 ; german version en iso 120 : 1998 塑料.苯酚-甲醛模塑件.游离氨和铵化合物的测定.比色 |