过氧化氢对烷质量稳定性影响因素的研究

Study on Influencing Factors to Quality Stability of p-Menthane Hydrogen Peroxide(PMHP)

研究了过氧化氢对烷(PMHP)产品的质量分数、酸值、折光率、黏度等指标随贮存天数的变化规律,探讨了影响PMHP质量稳定性的主要因素。结果表明,PMHP质量分数、酸值、折光率、黏度对贮存天数的相关系数(rt)分别为-0.8807、0.9867、0.9348和0.2236;贮存过程中的酸值、折光率和黏度对PMHP质量分数相关系数(rc)分别为:-0.9454、-0.9695和-0.4240。酸性物质的存在及产生是影响PMHP产品贮存稳定性的关键因素,通过控制产品初始酸值在较低的合理水平,可有效减缓酸值及PMHP的变化速率,从而提高质量稳定性。

Variation relationships were studied between quality indexes such as mass fraction, acid value, refractive index, and viscosity of p-menthane hydrogen peroxide （PMHP） products with storage days, and major influencing factors to the quality stability of PMHP were studied as well. The results shown that the correlation coefficients （rt） of PMHP mass fraction, acid value, refractive index, and viscosity to the storage days are -0. 8807, 0. 9867, 0. 9348 and 0. 2236, respectively; the correlation coefficients （ rc ） of variations of acid value, refractive index, and viscosity to the variation of PMHP mass fraction in the storage are -0.9454, -0.9695 and -0. 4240, respectively. The results also shown that the acid value is an important quality index, and that the resistance and formation of more acidic matters in the product is a key influencing factor to the quality stability of PMHP. The initial acid value is suggested to be regulated to a suitably lower level as a key influencing factor, so that it would effectively reduce the variations of acid value and PMHP mass fraction under storage, then increase the quality stability.