3月问题: 在"炽灼残渣 (Residue on Ignition)"和"干燥失重 (Loss on Drying)"测试中,会有要求"恒重(Constant Weight)",根据《美国药典-国家处方集》(USP-NF)的规定:"恒重"表示样品连续两次炽灼或干燥后称重的差异不得超过多少重量呢? 回答: 在USP37-NF32 第二增...
在"炽灼残渣 (Residue on Ignition)"和"干燥失重 (Loss on Drying)"测试中,会有要求"恒重(Constant Weight)",根据《美国药典-国家处方集》(USP-NF)的规定:"恒重"表示样品连续两次炽灼或干燥后称重的差异不得超过多少重量呢? 回答: 在USP37-NF32 第二增补本的凡例(...
6.40.10. Ignite to Constant Weight "Ignite to constant weight” means that ignition shall be ...
USP凡例中规定“Ignite to constant weight” means that ignition shall be continued at800 ± 25°,...
loss on drying take this product, dry to constant weight at 105°C, weight loss shall not exceed 0.5% (General rule 0831). ignition residue take l.Og of this product and check it according to law (General rule 0841). The residue left shall not exceed 0.1%. ...
Avoid fragile materials like delicate rugs or easily damaged surfaces that may require constant maintenance or repairs. Consider Potential Renovations If you find a home that meets most of your criteria but lacks certain pet-friendly features, don’t immediately dismiss it. Consider the potential for...
Evaporate the combined filtrates, and dry the residue at 105 to constant weight. The weight of the dried residue is not greater than 15% of the weight of Sodium Starch Glycolate taken. If the weight of the dried residue is not more than 7.0% of the weight of Sodium Starch Glycolate ...
[NOTE—The temperature specified in the monograph is to be regarded as being within the range of ±2 of the stated figure. ] When “dry to constant weight” is specified in a monograph, drying shall be continued until two consecutive weighings do not differ by more than 0.50 mg per g ...
take this product, put phosphorus pentoxide as desiccant dryer, under reduced pressure drying at 60°C to constant weight, weight loss should not exceed 0.5% (General 0831). ignition residue not more than 0.1% (General rule 0841). Heavy metals take l.Og of this product, add 23ml of...
Dry the test specimen at the temperature and for the time specified in the monograph.[NOTE— The temperature specified in the monograph is to be regarded as being within the range of ±2 of the stated figure. ] When “dry toconstant weight” is specified in a monograph, drying shall be ...