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德国默克PH 指示试纸1.09543.0001
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pH缓冲液(pH 6.80±0.01),校正液溶液pH 6.8±0.01
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pH试纸 non-bleeding pH 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14
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pH试纸 6 replacement rolls (of 4.8 m) for 109562, 109565 Alkalit®
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pH试纸 6 replacement rolls (of 4.8 m) for 109560, 109565 Acilit®
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乙酸盐缓冲液,pH 3.5,用于USP重金属测试,pH 3.5
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艾杰尔Venusil液相色谱柱10*250mm;5μm;110A
Venusil MP C18(2)艾杰尔天津艾杰尔液相色谱柱Venusil液相色谱柱Venusil MP C18(2)10*250mm;5μm;110A
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Jenway Thermal Paper Roll for SMP50/Printer
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pH试纸 for pH measurements in turbid solutions (suspensions) non-bleeding pH 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9
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酚酞 indicator ACS,Reag. Ph Eur
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