摘要
考察了工业化产品—头孢三嗪钠在室温条件下长期贮存时的质量变化情况。研究表明，产品贮存近３年，外观为白色结晶性粉末，比旋度为—１６２ο，含量为９０％，产品主要指标仍在标准规定范围内，从而确定该品有效期为３年。
In this article quality change of industrializing product at store for long time in condition of room temperature was investigated. The research indicats clearly that the product can been stored for near three years, the appearance is white crystalline powder, rotation specific is162 ο, assay is 90%, main quota of the product still is in standard stipulation. So the term of validity of the product is defined for three years.
出处
《辽宁化工》
CAS
1997年第3期168-169,共2页
Liaoning Chemical Industry
