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baiyuefei版主 (文學(xué)泰斗)
風(fēng)雪
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[求助]
關(guān)于藥物分析的方法
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Uniformity of dosage units <6.02> Perform the test accord- ing to the following method: it meets the requirement of the Content uniformity test. Disintegrate 1 tablet of Pioglitazone Hydrochloride Tablets with 10 mL of 0.1 mol/L hydrochloric acid TS, add 70 mL of methanol, shake vigorously for 10 minutes, then add methanol to make exactly 100 mL, and centrifuge. Take exactly V mL of the supernatant liquid, add a mixture of methanol and 0.1 mol/L hydrochloric acid TS (9:1) to make exactly V?mL so that each mL contains about 26 mg of pioglitazone hydrochloride (C 19 H 20 N 2 O 3 S.HCl), and use this solution as the sample solution. Separately, weigh accurately about 33 mg of Pioglitazone Hydrochloride RS (separately, determine the water <2.48> in the same manner as Pioglita- zone Hydrochloride), dissolve in 10 mL of 0.1 mol/L hydro- chloric acid TS, and add methanol to make exactly 100 mL. Pipet 4 mL of this solution, add a mixture of methanol and 0.1 mol/L hydrochloric acid TS (9:1) to make exactly 50 mL, and use this solution as the standard solution. Determine the absorbances, A T and A S , of the sample solution and stand- ard solution at 269 nm as directed under Ultraviolet-visible Spectrophotometry <2.24> using a mixture of methanol and 0.1 mol/L hydrochloric acid TS (9:1) as the blank. |
木蟲 (著名寫手)
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單劑量均勻度(6.02) 根據(jù)下述方法進(jìn)行測(cè)試,該測(cè)試滿足含量均勻度測(cè)定的要求。用10ml 0.1 mol/L的鹽酸試驗(yàn)溶液分解1片鹽酸吡格列酮片,加入70 mL甲醇,用力搖晃10分鐘,然后加入甲醇至100毫升,離心。準(zhǔn)確量取V毫升上清液,加入甲醇:0.1mol/L鹽酸試驗(yàn)溶液(9:1)的混合液,剛好至V?毫升,使每毫升含約26毫克鹽酸吡格列酮(C 19 H20 N 2 O 3 S.HCl),將該溶液作為樣品溶液。 另外,準(zhǔn)確地稱取約33毫克鹽酸吡格列酮標(biāo)準(zhǔn)樣品(單獨(dú)以和鹽酸吡格列酮片相同的方式確定水<2.48>),溶解于10mL的0.1mol / L鹽酸試驗(yàn)溶液,并加甲醇至100毫升。 吸取4毫升該溶液,加入甲醇:0.1 mol / L鹽酸試驗(yàn)溶液(9:1)的混合物至50毫升整,并將該溶液作為標(biāo)準(zhǔn)溶液。以甲醇:0.1 mol / L鹽酸試驗(yàn)溶液(9:1)的混合液為空白對(duì)照,用紫外可見分光光度法(2.24)讀取樣品溶液和標(biāo)準(zhǔn)溶液在269nm下的吸光值A(chǔ)T和AS。 |

木蟲 (正式寫手)
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含量均勻度 <6.02>按照下述方法進(jìn)行測(cè)試:其(含量均勻度)滿足含量均勻度測(cè)試的要求。 利用10 mL 0.1 mol/ L鹽酸試液(TS)將1片鹽酸吡格列酮崩解,加入70 mL甲醇,劇烈振蕩10分鐘,隨后用甲醇準(zhǔn)確定容至100mL,并離心。準(zhǔn)確移取V mL 上清液,加入甲醇和0.1 mol/L鹽酸TS (9:1)混合液準(zhǔn)確定容至 V?mL ,使得到的溶液中每毫升含有約26 mg 鹽酸吡格列酮(C19H 20 N 2 O3 S•HCl),使用此溶液作為樣品溶液。 單獨(dú)準(zhǔn)確稱量約33 mg 鹽酸吡格列酮標(biāo)準(zhǔn)品(RS)(單獨(dú)利用和鹽酸吡格列酮相同的方式測(cè)定水<2.48>),溶解于10 mL 0.1 mol/L 鹽酸TS,加入甲醇準(zhǔn)確定容至100 mL。移取4 mL此溶液,加入甲醇和0.1 mol/L鹽酸TS (9:1)混合液準(zhǔn)確定容至50 mL ,使用此溶液作為標(biāo)準(zhǔn)溶液。利用紫外可見分光光度計(jì)<2.24>,使用甲醇和0.1 mol/L鹽酸TS (9:1)混合液作為空白溶液,在269 nm 波長(zhǎng)下,測(cè)定樣品溶液和標(biāo)準(zhǔn)溶液的吸光度,即A T 和 A S |

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