| Ammonium citrate, dibasic 柠檬酸氢二胺 | 500G |
| Ammonium citrate,tribasic 柠檬酸三铵 | 250G |
| Ammonium ferric，citrate 柠檬酸铁铵 | 250G |
| Ammonium floride 氟化铵 | 250G |
| Ammonium hydrogen tartrate 酒石酸氢铵 | 250G |
| Ampicillin,tridrate 氨苄青霉素 三水 | 25G |
| Ammonium iron(II)sulfate, hexahydrate 硫酸亚铁铵六水 | 500G |
| Ammonium metavanadate 偏钒酸铵 | 100G |
| Ammonium molybdate, tetrahydrate 钼酸铵四水 | 250G |
| Ammonium molybdate, tetrahydrate 钼酸铵四水 | 50G |
| Ammonium nick(II)suflate, hexahydrate 硫酸镍铵 | 250G |
| Ammonium oxalate 草酸铵 | 500G |
| D(+)-Arabinose D-阿拉伯糖(D(+) -树胶醛糖) | 100G |
| D(+)-Arabinose D-阿拉伯糖(D(+) -树胶醛糖) | 25G |
| L(+)-Arabinose L-阿拉伯糖 | 100G |
| L(+)-Arabinose L-阿拉伯糖 | 25G |
| Ammonium phosphate,tribasic trihydrate 磷酸铵三水 | 500G |
| Ammonium phosphomolbdate 磷钼酸铵 | 25G |
| Ammonium sulfamate 氨基磺酸铵 | 500G |
| DL-Ammonium tartrate 酒石酸铵 | 250G |
| Ammonium thiocyanate 硫氰酸铵 | 250G |
| AMPD buffer concentrate AMPD 缓冲液 | 100G |
| Aluminium stearate 硬脂酸铝 | 100G |
| Amygdalin 苦杏仁苷 | 1G |
| Amygdalin 苦杏仁苷 | 5G |
| Anilin blue, sodium salt 苯胺蓝 | 25G |
| 8-Anilino1-naphthalenesulfonic acid hydrate 周位酸 | 500G |
| Anthraquinone 蒽醌 | 25G |
| Anthrone 蒽酮 | 25G |
| Antipyrine 安替吡啉 | 25G |
| Apramycin sulfate 硫酸阿布拉霉素 | 1G |
| L-Aspartic acid L-天冬氨酸 | 250G |
| Ammonium perchlorate 高氯酸铵 | 100G |
| Arsenazo I 偶氮砷I (Azobenzeme arsonate I) | 1G |
| Arsenazo I 偶氮砷I (Azobenzeme arsonate I) | 5G |
| Arsenazo III 偶氮砷III (Azobenzene arsonate III) | 1G |
| Arsenazo III 偶氮砷III (Azobenzene arsonate III) | 5G |
