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4 个月
格丹纳免水全自动凯氏定氮仪N810
1、蒸馏免接水冷凝技术 N810采用新一代免水冷凝器技术,蒸馏时无需外接自来水冷却,没有高水温、零水压导致冷凝效果不佳的后顾之忧。 2、最低冷凝温度可达1°C 冷凝更充分,水蒸气与氨瞬间被液化吸收,无损失,从根本上保证结果更真实准确。 3、节水环保 降低 ...
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