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范围从低ppb(精确度约1.5 ppb)到250,000 ppb(0-250 ppm)在254nm处发光

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测量原理:紫外吸收在254纳米; 双光束

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测量原理(方法):从~2 mL水样中喷出的臭氧的综合紫外吸收

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测量原理:254nm的紫外吸收,单光束

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