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pH试纸 Roll (4.8 m) with colour scale pH 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10
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pH试纸 6 replacement rolls (of 4.8 m) for 109562, 109565 Alkalit®
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PH电极SenTix 81 品牌:德国WTW
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茶红纸/PH试纸/无比色卡PH试纸/德国MN
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德国MN精密PH试纸PH4.0-7.0/0.3/进口PH广泛试纸
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苏木精,517-28-2,for microscopy (Hist.), indicator (pH 5.0-6.0)
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Ph-Ph+ | MedChemExpress (MCE)
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pH标准缓冲溶液(pH=4.00±0.02),pH=4.00±0.02 (25℃)
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pH标准缓冲溶液(pH=7.00±0.02),pH=7.00±0.02 (25℃)
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pH标准缓冲溶液(pH=4.01±0.02),pH=4.01±0.02 (25℃)
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