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Potassium chloride electrical conductivity standard solution,1413μS/cm (25℃), 500ml
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Potassium chloride electrical conductivity standard solution,2000μs/cm (25℃), 500ml
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Potassium chloride electrical conductivity standard solution,5000μs/cm (25℃), 500ml
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Potassium chloride electrical conductivity standard solution,28.4μS/cm, 20ml
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Potassium chloride electrical conductivity standard solution,143.5us/cm, 20ml
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Potassium chloride electrical conductivity standard solution,201μS/cm, 20ml
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Potassium chloride electrical conductivity standard solution,1402μS/cm, 20ml
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Potassium chloride electrical conductivity standard solution,1203uS/cm, in line with GB/T27502-2011, 100ml
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Fluoride Standard(standard sample),5.11mg/L, H2O, 20ml
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Fluoride Standard(standard sample),2.00mg/L, H2O, 20ml
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Fluoride Standard(standard sample),0.160μg/mL, H2O, 20ml
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