The concentration of divalent cathions was all qualified by performance test, but thymine or thymine nucleotide concentration in 2 culture medium products (4 batches) was disqualified.

• 性能检测中二价阳离子浓度全部全格; 有2种品牌4个批号的M H培养基胸腺嘧啶或胸腺嘧啶核苷含量不合格。