干燥失重

方法：以颗粒剂干燥失重（%）为指标，均匀试验设计法筛选出复方碳酸钙颗粒剂处方中乳糖、山梨醇、PVP等辅料用量。

METHODS : The quantity of lactose , sorbitol and PVP in the prescription was selected with uniform design based on the loss on drying of the granules .

内容基本依照美国药典（USP27／NF22）CA项，包括鉴别、干燥失重、炽灼残渣、重金属、游离酸、乙酰化率。

The contents were in compliance with USP27 / NF22 , which included identification , loss on drying , residue on ignition , heavy metals , free acid and content of acetyl .

对EudragitRS粉末和游离膜的性质进行了考察：EudragitRS干燥失重为0.85%；

Properties of Eudragit RS powder and film were evaluated for selection of formulation of good preparation . Loss on dry of powder was 0.85 % ;

同时对药材中的水分含量进行测定，以干燥失重法（LOD）为对照，采用偏最小二乘回归（PLSR）法建立定量校正模型。

The moisture contents were quantified by Partial Least Square Regression ( PLSR ) calibration model . Primary reference data were obtained using traditional method ( Loss On Drying , LOD ) .

目的采用干燥失重法建立以PEG6000为载体辅料制备的熊果酸固体分散体的水分测定方法。

CONCLUSION Drying method is simple , feasible , and accurate without special instruments , It can be used for the determination of water in solid dispersion of Ursolic Acid and PEG6000 .

本试验在确认ZRH-1C型热风循环烘箱性能的基础上，采用干燥失重法，提出并验证该工序的最佳工艺参数。

The test set up and validated any optimum parameters of drying process on the basis of confirmation of that ZRH-1C hot wind cycling oven worked regularly by the way of drying weightlessness .

微波技术在试样干燥失重分析中的应用

The Application of Microwave Technique in Determination of Loss on Drying of Chemicals

进行鉴别、含量均匀度、干燥失重研究。

To carry out identification , content uniformity and loss on drying research .

目的：将微波技术用于试样干燥失重的测定。

Objective : To apply microwave technique to determin the loss on drying of chemicals .

结论：本法适用于化学药品干燥失重的常规分析。

Conclusion : The method is suitable for the determination of loss on drying of chemicals .

抗生素药品干燥失重与费休氏水分测定方法比较

Comparison between the Loss on Drying Method and the Karl Fisher Reaction Method for Determining Antibiotic Drugs

结果：通过试验比较，干燥失重水分测定法与费休氏水分测定法无显著性差异。

Result : According to comparison , the two testing methods bold no significant difference in result .

性状，干燥失重，含量，总灰分，砷，重金属，微生物。

Appearance , Loss on drying , Total Ash , Assay , Heavy Metals , Arsenic , Microbiological .

测定干燥失重：（3）凝胶渗透色谱法测定聚合物的平均相对分子量；

Assessment of dry weight loss ; ( 3 ) Determination of molecular mass of polymers by gel permeation chromatography ;

方法：应用常压干燥失重法及费休氏法进行水分测定。

Method : To apply the loss on drying method under normal pressure and the Karl fischer reation method both .

要是按着单独的文献报道作干燥失重的检测，应该使用在这些文献中要求采用的热重量分析仪和高灵敏天平。

Where the individual monograph directs that loss on drying be determined by thermogravimetric analysis , a sensitive electrobalance is to be used .

通过卡费休水分测定法、干燥失重法、元素分析、热重分析及差热分析等方法确证产物中结晶水的含量；

Its half mole crystal water was determined by melting point analysis , Karl Fischer titration , weight loss on drying , elemental analysis .

目的改进药典中葡萄糖的干燥失重检查的操作方法。方法采用直接干燥法和烘箱两次干燥法进行对比。

Objective To improved the detection method for the loss on drying of glucose Methods The direct drying and oven-twice drying were used and compared .

结论该法准确、可靠、快速，可用于葡萄糖的干燥失重检查。

Conclusion The oven-twice drying is accurate , reliable , rapid and can be used to check up the weight loss on drying of glucose .

结论：部分药品的水分测定可用干燥失重法代替药典规定的费休氏法。

Conclu-sion : For some of the drugs , we can apply the loss on drying method under normal pressure instead of the Karl fischer reaction method for moisture content testing .

结果表明，以无水吡啶为溶剂测定的结果更接近干燥失重法的测定结果，在测定红霉素碱的水分时，以选择无水吡啶为宜。

It turns out that experiment result with anhydrous pyridine as solvent is closer to weightlessness method . So it is better to determine the water in erythromycin with anhydrous pyridine solvent .

方法采用正交试验设计进行优选，薄层色谱扫描测定黄芪甲苷含量，干燥失重法测定干膏得率。

Methods The orthogonal design was taken to do the optimal selection for the techniques , TLCS was used to determine the content of total astragaloside IV and the rate of total dry extract .

参照药典对本品进行了稳定性研究，包括影响因素试验、加速试验和长期试验。重点考察了性状、沉降体积比、干燥失重、溶出度、有关物质及含量的变化。

According to the standards , influencing factors test , accelerated test and 6-months long term stability test were finished , focused on property , ratio of subsided volume , loss on drying , dissolution and content altered of related substance .

参考药典及相关文献的规定，对药用膨润土的性状、鉴别、视比重、流动性、干燥失重、重金属限量、微生物限度、粒度、粘度、触变值、含量测定和稳定性进行考察。

Study the characters , identification , bulk density , the fluidity , loss on drying , heavy metal limits , microbial limit , granularity , viscosity , thixotropy , content determination and stability by making reference to Pharmacopoeia and related literatures .

测定产品中尼泊金庚酯含量和酸度、重金属、干燥失重、熔点、灼烧残渣等参数，确定符合质量标准的要求，可以将其应用到食品的防腐。

The synthesized heptyl paraben meet the requirement of the quality standards and can be applied in food when its content of heptyl paraben , acid degree , heavy metal , weight lost after drying , melting point and burning residue is assayed .

本文介绍了烧结混合料水分的七种测定方法，即热干燥法、快速失重法，中子法、红外线法、光学法，电阻法和热导法，并进行了评价。

Seven methods for mix moisture metering , such as thermal drying , rapid lossing in weight , neutron metering , infrared metering , optical metering , electric resistance and thermal conduction , were presented and evaluated in this paper .