我做砷的时候,荧光峰的起点有时候在3秒的时候出现,有时候又在6秒(就是不固定)出现,致使缝面积时大时小,测的值就时大时小,有人知道是什么原因么?...
Tuesday, May 7, 2024
Tuesday, May 30, 2023
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Tuesday, May 7, 2024
Saturday, March 2, 2024
Thursday, September 14, 2023
原子荧光法测重金属消解水样的方法是什么?消解后的水样要加重铬酸钾吗?...
Thursday, September 14, 2023
用微波消化鱼粉样品。0.5克样品,5ML硝酸,消化定容到25ML...
Sunday, September 11, 2022
Tuesday, February 28, 2023
Monday, July 17, 2023
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Thursday, September 14, 2023
Tuesday, September 13, 2022
原子荧光电炉丝为何总是烧坏?是什么原因导致炉丝烧断呢。一般灯电流...
Tuesday, September 13, 2022
Monday, July 17, 2023
上次做镉,液封柱被二硫腙-四氯化碳液染成了蓝色,想了多个方法未解决,请问各位有什么好建议?...
Sunday, December 17, 2023
对于硒(Se),用氢化物原子荧光光谱法测定应注意些什么?在样品预处理和干扰离子的排除方面应注意的问题有哪些?...
Saturday, May 4, 2024
Thursday, September 14, 2023