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德国默克PH缓冲液1.09435.1000pH=4.00
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pH试纸 Roll (4.8 m) with colour scale pH <3.8 - 4.1 - 4.4 - 4.6 - 4.8 - 5.1 - 5.4
pH-indicator paper pH 3.8 - 5.4 Special indicator Roll (4.8 m) with colour scale pH
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pH缓冲液标准DIN 19266值(pH 10.012)
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pH缓冲液标准DIN 19266值(pH 9.18)
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pH缓冲液标准DIN 19266值(pH 12.454)
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pH缓冲液标准DIN 19266值(pH 1.679)
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pH缓冲液标准DIN 19266值(pH 7.413)
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pH缓冲液标准DIN 19266值(pH 3.776)
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pH试纸 non-bleeding pH 11.0 - 11.5 - 11.8 - 12.1 - 12.3 - 12.5 - 12.8 - 13.0
pH-indicator strips pH 11.0 - 13.0 Special indicator non-bleeding pH 11.0 - 11.5 - 11.8 - 12.1
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pH试纸 non-bleeding pH 0 - 0.5 - 1.0 - 1.3 - 1.6 - 1.9 - 2.2 - 2.5
pH-indicator strips pH 0 - 2.5 Special indicator non-bleeding pH 0 - 0.5 - 1.0 - 1.3 - 1.6 - 1.9
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