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      Magnesium dichloride standard solution
      Acetaldehyde acetal furfural ethanol aqueous solution
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      Pyridoxamine hydrochloride 0.1 g
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      Nicotinic acid standard solution
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      Acetic acid-methyl green 0.001 100ml
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      Methyl acetate standard solution
      Naphthylamine hydrochloride standard solution
      Sodium acetate standard solution
      Magnesium dichloride saturated solution
      Carbon disulfide kit 8 bottles/set
      Dichloromethane standard solution
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