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Color chart display color: 0.5, 1, 3, 5, 10Color: light brown to brownMeasurement method: colorimetric methodMeasurement range (mg/L): 0.5 to 10Reaction time: 1 minuteMeasurement interval: 5 levelsMeasurement item: Copper CuMeasurement range: 0.5 to 10mg/L
包装材料:聚乙烯
200G
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4个简单的包装和颜色图表,每盒48份(免费青色24份)
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