標(biāo)準(zhǔn)品的管理：

（一）接收

收到標(biāo)準(zhǔn)品后，應(yīng)檢查外包裝是否完好密封，標(biāo)簽是否清晰完整，并及時(shí)填好相關(guān)貯存記錄，記錄信息要完整無(wú)缺，至少要包括2-Methylsulfanylpyrimidin-4(3H)-one、儲(chǔ)存條件、存入日期、保質(zhì)期、規(guī)格、批號(hào)、含量、數(shù)量、瓶號(hào)以及備注信息等。

（二）貯存

對(duì)于標(biāo)準(zhǔn)品的存放期間，要經(jīng)常性的核查標(biāo)準(zhǔn)品是否失效，對(duì)于怕光怕熱易揮發(fā)的標(biāo)準(zhǔn)品，是否密封實(shí)了，是否按照存放要求進(jìn)行存放。

（三）使用

采用登記制度，如需要取用，則需要填寫(xiě)取用的產(chǎn)品名、對(duì)應(yīng)的批號(hào)、數(shù)量、使用目的、取用人等相關(guān)詳細(xì)的信息，以明確責(zé)任主體，保證能夠查到標(biāo)準(zhǔn)品使用的來(lái)龍去脈。

（四）銷(xiāo)毀

產(chǎn)品僅用于科研及時(shí)檢查基準(zhǔn)標(biāo)準(zhǔn)品是否過(guò)期，如有過(guò)期，需要收集起來(lái)及時(shí)做銷(xiāo)貨處理。

2-Methylsulfanylpyrimidin-4(3H)-one

CAS No.: 5751-20-2

中文名: 咪唑司汀

別名:

分子式: C5H6N2OS

性狀: Powder

純度: 98.0%

特色服務(wù): 隨貨提供1H-NMR等報(bào)告

關(guān)鍵詞: 
標(biāo)準(zhǔn)品和對(duì)照品的區(qū)別：

☆對(duì)照品：用于鑒別、檢查、含量測(cè)定和校正檢定儀器性能的標(biāo)準(zhǔn)物質(zhì)。對(duì)照品系指用于生物制品理化等方面測(cè)定的特定物質(zhì)，由生產(chǎn)單位采用與制品生產(chǎn)工藝相同的方法制備。對(duì)照品應(yīng)盡可能與制品原液配方一致，穩(wěn)定性較差的，可加不含對(duì)測(cè)定有干擾物質(zhì)的適宜的穩(wěn)定劑。對(duì)照品由國(guó)家藥品檢定機(jī)構(gòu)審查認(rèn)可，其標(biāo)準(zhǔn)應(yīng)不低于制品的質(zhì)量標(biāo)準(zhǔn)。

☆標(biāo)準(zhǔn)品：用于生物檢定、抗生素或生物藥品中含量或效價(jià)測(cè)定的標(biāo)準(zhǔn)物質(zhì)，以效價(jià)單位(U)表示。國(guó)家標(biāo)準(zhǔn)品及生物參考品系指用于鑒別、檢查含量或效價(jià)測(cè)定的標(biāo)準(zhǔn)物質(zhì)，其制備與標(biāo)定應(yīng)符合“生物制品國(guó)家標(biāo)準(zhǔn)物質(zhì)制備和標(biāo)定規(guī)程”要求，并由藥品監(jiān)督管理部門(mén)指定的機(jī)構(gòu)分發(fā)。企業(yè)工作標(biāo)準(zhǔn)品或參考品必須經(jīng)國(guó)家標(biāo)準(zhǔn)品或參考品標(biāo)化后方能使用。

對(duì)照品實(shí)驗(yàn)方法與判定：

1.對(duì)照品溶液的穩(wěn)定性

2.對(duì)照品溶液的配制：精密量取腦對(duì)照品適量，加無(wú)水乙醇制成每1ml含腦1mg的溶液，作為對(duì)照品溶液。

3.色譜條件：以交聯(lián)鍵合聚乙二醇為固定相的毛細(xì)管柱；柱溫120℃；進(jìn)樣口溫度250℃；檢測(cè)器溫度250℃；分流進(jìn)樣，分流比10:1。理論塔板數(shù)按腦計(jì)算應(yīng)不低于10000。

4.實(shí)驗(yàn)方法：配制的對(duì)照品溶液，一份置冷處保存，一份置室溫中保存，在第1、3、7、10、15天重新配制一份對(duì)照品溶液，三種儲(chǔ)備液同時(shí)稀釋制成每1ml中約含50ug的溶液。照氣相色譜法，并依據(jù)新對(duì)照品的峰面積計(jì)算原對(duì)照品溶液的含量。記錄下來(lái)，保證原對(duì)照品溶液含量在考察期相對(duì)平均偏差不超過(guò)2.0%，驗(yàn)證對(duì)照品溶液在使用期內(nèi)穩(wěn)定可靠。

訂購(gòu)須知：

產(chǎn)品僅用于科研客戶(hù)訂購(gòu)時(shí)需留下詳細(xì)的寄送信息；收到貨以后，請(qǐng)先驗(yàn)貨，看包裝有無(wú)破損，如有破損請(qǐng)不要簽收，并及時(shí)反饋給我們，我們會(huì)重新發(fā)貨；實(shí)驗(yàn)的過(guò)程中，請(qǐng)嚴(yán)格按照說(shuō)明書(shū)進(jìn)行操作，如遇技術(shù)問(wèn)題可與我司技術(shù)部咨詢(xún)。

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