標(biāo)準(zhǔn)解讀
《GB/T 15688-2024 動(dòng)植物油脂 不溶性雜質(zhì)含量的測定》與《GB/T 15688-2008 動(dòng)植物油脂 不溶性雜質(zhì)含量的測定》相比,主要在以下幾個(gè)方面進(jìn)行了調(diào)整和更新:
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適用范圍與規(guī)范性引用文件:新版標(biāo)準(zhǔn)可能根據(jù)近年來動(dòng)植物油脂行業(yè)的發(fā)展和技術(shù)進(jìn)步,更新了適用的油品種類范圍,并修訂了規(guī)范性引用文件,確保所引用的標(biāo)準(zhǔn)是最新的,以適應(yīng)檢測技術(shù)和設(shè)備的更新。
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檢測方法的改進(jìn):2024版標(biāo)準(zhǔn)可能對(duì)不溶性雜質(zhì)含量的檢測方法進(jìn)行了優(yōu)化或新增了更精確、高效的分析技術(shù),比如引入自動(dòng)化檢測手段,提高檢測效率和準(zhǔn)確性,減少人為誤差。
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精密度與準(zhǔn)確度的要求:新標(biāo)準(zhǔn)可能對(duì)實(shí)驗(yàn)結(jié)果的精密度(如重復(fù)性和再現(xiàn)性)以及準(zhǔn)確度提出了更高或更具體的要求,確保測試結(jié)果的一致性和可靠性。
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樣品處理步驟的調(diào)整:為了更好地適應(yīng)不同種類油脂的特性,新版標(biāo)準(zhǔn)可能對(duì)樣品的預(yù)處理步驟進(jìn)行了修改,如調(diào)整了溶劑的使用量、加熱溫度和時(shí)間等,以更有效地分離不溶性雜質(zhì)。
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環(huán)保與安全要求:鑒于對(duì)環(huán)境保護(hù)和實(shí)驗(yàn)室操作安全的重視增加,2024版標(biāo)準(zhǔn)可能加入了更多關(guān)于實(shí)驗(yàn)廢棄物處理、有害化學(xué)物質(zhì)使用限制及操作人員防護(hù)措施的指導(dǎo),符合當(dāng)前的環(huán)保和安全法規(guī)要求。
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術(shù)語和定義的更新:隨著行業(yè)知識(shí)的發(fā)展,標(biāo)準(zhǔn)中涉及的專業(yè)術(shù)語和定義可能得到了修訂或增補(bǔ),以更準(zhǔn)確地反映當(dāng)前的技術(shù)理解和實(shí)踐。
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驗(yàn)證和確認(rèn)程序:新版標(biāo)準(zhǔn)可能對(duì)實(shí)驗(yàn)室能力驗(yàn)證、儀器校準(zhǔn)及檢測方法確認(rèn)的具體流程進(jìn)行了細(xì)化或強(qiáng)化,確保檢測結(jié)果的可比性和實(shí)驗(yàn)室間的互認(rèn)性。
如需獲取更多詳盡信息,請(qǐng)直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。
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- 即將實(shí)施
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- 2024-08-23 頒布
- 2025-03-01 實(shí)施
文檔簡介
ICS
67.040
CCS
X04
中華人民共和國國家標(biāo)準(zhǔn)
GB/T15688—2024/ISO663:2017
代替GB/T15688—2008
動(dòng)植物油脂不溶性雜質(zhì)含量的測定
Animalandvegetablefatsandoils—
Determinationofinsolubleimpuritiescontent
(ISO663:2017,IDT)
2024-08-23發(fā)布2025-03-01實(shí)施
國家市場監(jiān)督管理總局發(fā)布
國家標(biāo)準(zhǔn)化管理委員會(huì)
GB/T15688—2024/ISO663:2017
目次
前言
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Ⅲ
1
范圍
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1
2
規(guī)范性引用文件
······················································································
1
3
術(shù)語和定義
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1
4
原理
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1
5
試劑
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1
6
儀器
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2
7
扦樣
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2
8
試樣制備
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2
9
操作步驟
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2
9.1
試樣
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2
9.2
測定
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2
10
結(jié)果表示
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3
11
精密度
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3
11.1
實(shí)驗(yàn)室間測試
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3
11.2
重復(fù)性
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3
11.3
再現(xiàn)性
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3
12
測試報(bào)告
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3
附錄A(資料性)
實(shí)驗(yàn)室間測試結(jié)果
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4
參考文獻(xiàn)
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5
Ⅰ
GB/T15688—2024/ISO663:2017
前言
本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分:標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)
定起草。
本文件代替GB/T15688—2008《動(dòng)植物油脂不溶性雜質(zhì)含量的測定》,與GB/T15688—2008相比,
除結(jié)構(gòu)調(diào)整和編輯性改動(dòng)外,主要技術(shù)內(nèi)容變化如下:
a)增加了不適用范圍(見第1章)。
本文件等同采用ISO663:2017《動(dòng)植物油脂不溶性雜質(zhì)含量的測定》。
請(qǐng)注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專利的責(zé)任。
本文件由國家糧食和物資儲(chǔ)備局提出。
本文件由全國糧油標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC270)歸口。
本文件起草單位:武漢市標(biāo)準(zhǔn)化研究院、武漢食品化妝品檢驗(yàn)所、武漢輕工大學(xué)、益海嘉里金龍魚
糧油食品股份有限公司、甘肅省標(biāo)準(zhǔn)化研究院。
本文件主要起草人:黃勇、江小明、黃青、張四紅、王格平、楊軼、方衛(wèi)星、任雯菁、楊永、
向小雪、肖榮輝。
本文件及其所代替文件的歷次版本發(fā)布情況為:
—1995年首次發(fā)布為GB/T15688—1995,2008第一次修訂;
—本次為第二次修訂。
Ⅲ
GB/T15688—2024/ISO663:2017
動(dòng)植物油脂不溶性雜質(zhì)含量的測定
1范圍
本文件描述了動(dòng)植物油脂中不溶性雜質(zhì)含量的測定方法。
本文件適用于動(dòng)植物油脂。如果皂類(特別是鈣皂)或氧化脂肪酸不作為不溶性雜質(zhì)含量進(jìn)行計(jì)
算,采用不同的溶劑和操作方法,使不溶性雜質(zhì)含量的測定符合相關(guān)要求。
本文件不適用于乳及乳制品(指從乳及乳制品中提煉的油脂)。
2規(guī)范性引用文件
下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文
件,僅該日期對(duì)應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用
于本文件。
ISO661動(dòng)植物油脂試樣的制備(Animalandvegetablefatsandoils—Preparationoftest
sample)
注:GB/T15687—2008動(dòng)植物油脂試樣的制備(ISO661:2003,IDT)
3術(shù)語和定義
下列術(shù)語和定義適用于本文件。
3.1
不溶性雜質(zhì)含量insolubleimpuritiescontent
在本文件規(guī)定的條件下不溶于正己烷或石油醚的物質(zhì)及外來雜質(zhì)的量。
注1:含量用質(zhì)量分?jǐn)?shù)表示。
注2:這些雜質(zhì)包括機(jī)械雜質(zhì)、礦物質(zhì)、碳水化合物、含氮化合物、各種樹脂、鈣皂、氧化脂肪酸、脂肪酸內(nèi)酯和
(部分)堿皂、羥基脂肪酸及其甘油酯等。
4原理
用過量正己烷或石油醚溶解試樣,對(duì)所得溶液進(jìn)行過濾。再用同樣的溶劑沖洗殘留物和濾紙,使其
在103℃下干燥至恒重。
5試劑
警示─應(yīng)采用處理危險(xiǎn)品的操作規(guī)則,遵循各種技術(shù)、組織及個(gè)人的安全措施。
5.1正己
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