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Buffer Reference Solution pH 4.00 @ 20蚓 (Color-Coded Red)
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Buffer Reference Solution pH 7.00 @ 20蚓 (Color-Coded Blue)
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Buffer Reference Solution pH 10.00 @ 20蚓 (Color-Coded Green)
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Combination Total Hardness Buffer Indicator Powder
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Conductivity Standard 200 然ho/cm
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Conductivity Standard 720 然ho/cm
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Conductivity Standard 2,000 然ho/cm
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Conductivity Standard 6,680 然ho/cm
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Conductivity Standard 20,000 然ho/cm
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Conductivity Standard 58,650 然ho/cm
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Conductivity Standard 175,000 然ho/cm
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E.D.T.A. 1 ml = 1 mg CaCO3 (for Water Hardness Titration)
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E.D.T.A. 0.100 Molar
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Sulfuric Acid 0.020 Normal (for APHA Alkalinity)
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