1) Absorbance Ratio
吸光比
1.
To discribe the importance of the temperature control in refining process,especially the influence to the Color Value & Absorbance Ratio of Paprika Oleoresin by the overly high temperature in refining process.
简要叙述了温度控制在辣椒红精制过程中的显著意义,着重讨论了辣椒红精制过程中温度过高对于产品色价和吸光比的影响。
2) Absorption
吸光
1.
Investigation of the Absorption and Luminescence Properties of Fullerene C_(60) and its Charge Transfer Complexes;
富勒烯C_(60)及其电荷转移配合物的吸光、发光特性研究
3) absorbency
吸光度
1.
After the color system developing color only for 45 min, its absorbency reached the maximum and remains stable for 24 h.
显色体系在室温时发色45min即可达到最大吸光度,并至少稳定24h。
2.
Dispersion and stability of Cu nanoparticles in water were studied under different pH values,different dispersant concentration by the method of zeta potential and absorbency.
通过测定Cu-水纳米悬浮液的Zeta电位和吸光度,采用Hotdisk热物性分析仪测量了其导热系数,探讨了不同pH值和分散剂浓度对Cu-水纳米悬浮液分散稳定性和导热性能的影响。
3.
According to the results of many experiments, we analyzed the factors which may exert some effect on the absorbency such as the react time, wavelength, the degree of mineralization and trivalence metal ions,the optimum factor was summarized.
采用浊度法对聚丙烯酰胺(HPAM)质量浓度进行检测,并分别测试反应时间、波长、矿化度及三价金属离子等对吸光度的影响,确定了最佳测试条件,提出了干扰测试因素的消除方法。
4) absorbance
吸光度
1.
Model of color difference-absorbance in dyeing process;
染色过程色差与染液吸光度模型
2.
Fault analysis of the high absorbance of blank tests in the determination of the total nitrogen content in water;
测定水中总氮时高空白吸光度的原因查找
3.
Influences of Oxygen-Bearing Organic Matter on Absorbance for Alkali Metal in AAS;
含氧有机物对碱金属原子吸收光谱吸光度影响规律的研究
5) absorption
吸光度
1.
There exists a maximum absorption of the complex compound at380nm.
在样品溶液中加入酒石酸钾钠以掩盖钙镁离子的干扰,利用紫外吸收光度法测定吸光度值,以标准曲线法确定氨氮的含量,收到了良好的效果。
6) absorbancy
吸光度
1.
The method was based on the declining of the absorbancy when the oxidation-reduction reaction was generated between the hydrogen peroxide and the mineral chameleon in solution.
利用过氧化氢与高锰酸钾发生定量氧化还原反应引起高锰酸钾溶液的吸光度下降,建立了用紫外-可见分光光度计测定鱼类干货(鱼鳞、鱼皮)中微量过氧化氢的方法。
2.
Active dyestuff bearing Wastewater is pre-treated with fenton reagent before its flocculation, and the action mechanism is discussed by observing the change of absorbancy curve.
通过预处理前后废水吸光度曲线的变化 ,探讨其作用机理。
3.
A concertration of Pesticides Residue--Absorbancy standard curve was drew up for using ,which base on the inhibition rate of both organophosphates and carbamates against acrtyl cholinesterase(AChE).
依据有机磷和氨基甲酸酯类农药对乙酰胆碱酯酶的活性有抑制的原理 ,绘制农药残毒———吸光度标准曲线 ,读出吸光度即得到相应的农药浓度。
参考词条
补充资料：pH指示剂吸光度比值测定法
分子式：
CAS号：
性质：采用容量法与分光光度法相结合的一种差示定量法。其原理为选择一种适当的酸碱指示剂，其酸式色和碱式色的吸收光谱和吸收度有显著的差别，且该指示剂的pKa值在某一酸碱反应的化学计量点的pH值附近，当酸碱滴定时，在酸式色和碱式色的最大吸收波长λ1和λ2处分别测得其吸收度Aλ1及Aλ2，计算吸收度比值r′(r= )，便可通过滴定中r的变化而准确测 定样品含量。该法除用于弱碱性药物的测定外，还可用于磺胺类、氨基酸等的测定。JP(9)已收载用于水杨酸钠、枸橼酸钠、氨基比林、无味奎宁、烟酰胺等药物的测定，《中国药典》(1985)也已收载用于枸橼酸钠的测定。
CAS号：
性质：采用容量法与分光光度法相结合的一种差示定量法。其原理为选择一种适当的酸碱指示剂，其酸式色和碱式色的吸收光谱和吸收度有显著的差别，且该指示剂的pKa值在某一酸碱反应的化学计量点的pH值附近，当酸碱滴定时，在酸式色和碱式色的最大吸收波长λ1和λ2处分别测得其吸收度Aλ1及Aλ2，计算吸收度比值r′(r= )，便可通过滴定中r的变化而准确测 定样品含量。该法除用于弱碱性药物的测定外，还可用于磺胺类、氨基酸等的测定。JP(9)已收载用于水杨酸钠、枸橼酸钠、氨基比林、无味奎宁、烟酰胺等药物的测定，《中国药典》(1985)也已收载用于枸橼酸钠的测定。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。