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According to user needs for preparing liquid standard substances:

BZSJ001: Xylene standard substance

BZSJ002: The purity of MTBE standard substance

BZSJ003: Diester standard substance

BZSJ004: Benzene standard hybrid material

BZSJ005: SBA standard reference materials

BZSJ006: Cyclohexane mixture material

BZSJ007: Etherification of reference material

BZSJ008: The analysis of the purity of toluene Standard Practice

BZSJ009: C9 products of liquid sample

BZSJ010: Mixed aromatic liquid sample

BZSJ011: Ethylene glycol purity standard reference material

BZSJ012: Diethylene glycol purity standard reference material

BZSJ013: Triethylene glycol purity standard

BZSJ014: Methyl ethyl ketone standard substance

 

 

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