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《GB/T 17817-2024 飼料中維生素A的測(cè)定 高效液相色譜法》相較于《GB/T 17817-2010 飼料中維生素A的測(cè)定 高效液相色譜法》,主要在以下幾個(gè)方面進(jìn)行了修訂和更新:

  1. 方法適用范圍有所擴(kuò)展。新版本可能對(duì)飼料種類或形態(tài)有了更詳細(xì)的說明,確保該方法能夠適用于更多類型的飼料樣品。

  2. 樣品前處理步驟得到優(yōu)化。為了提高檢測(cè)效率與準(zhǔn)確性,新版標(biāo)準(zhǔn)可能改進(jìn)了提取、凈化等前處理過程中的具體操作方法,比如調(diào)整了溶劑使用量、溫度控制條件等細(xì)節(jié)要求。

  3. 色譜條件更加明確細(xì)化。對(duì)于流動(dòng)相組成、柱溫設(shè)置、流速控制等方面給出了更為精確的規(guī)定,以保證不同實(shí)驗(yàn)室之間結(jié)果的一致性。

  4. 數(shù)據(jù)處理方式有所改變。針對(duì)定量分析時(shí)使用的校正曲線建立規(guī)則、線性范圍限定值以及計(jì)算公式等內(nèi)容進(jìn)行了修訂,旨在進(jìn)一步提升測(cè)量精度。

  5. 精密度與準(zhǔn)確度指標(biāo)設(shè)定更嚴(yán)格。新增或調(diào)整了重復(fù)性限(r)和再現(xiàn)性限(R)的具體數(shù)值,反映了當(dāng)前技術(shù)水平下可達(dá)到的最佳性能水平。

  6. 安全注意事項(xiàng)部分更新。根據(jù)最新研究進(jìn)展及實(shí)踐經(jīng)驗(yàn)積累,在實(shí)驗(yàn)安全防護(hù)措施上提出了新的建議,強(qiáng)調(diào)了操作過程中需要注意的關(guān)鍵點(diǎn)。

這些變化體現(xiàn)了科技進(jìn)步對(duì)于分析測(cè)試技術(shù)的影響,同時(shí)也反映了行業(yè)對(duì)于提高產(chǎn)品質(zhì)量監(jiān)控能力的需求。


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文檔簡(jiǎn)介

ICS

65.120

CCS

B46

中華人民共和國國家標(biāo)準(zhǔn)

GB/T17817—2024

代替GB/T17817-2010

飼料中維生素A的測(cè)定高效液相

色譜法

DeterminationofvitaminAinfeeds—Highperformanceliquidchromatography

2024-11-28發(fā)布2025-06-01實(shí)施

國家市場(chǎng)監(jiān)督管理總局發(fā)布

國家標(biāo)準(zhǔn)化管理委員會(huì)

GB/T17817—2024

目次

前言

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1

范圍

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1

2

規(guī)范性引用文件

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1

3

術(shù)語和定義

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1

4

第一法皂化提取法

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1

4.1

原理

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1

4.2

試劑或材料

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1

4.3

儀器設(shè)備

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2

4.4

樣品

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2

4.5

試驗(yàn)步驟

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3

4.6

試驗(yàn)數(shù)據(jù)處理

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6

4.7

精密度

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7

5

第二法直接提取法

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7

5.1

原理

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7

5.2

試劑或材料

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7

5.3

儀器設(shè)備

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7

5.4

樣品

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8

5.5

試驗(yàn)步驟

·························································································

8

5.6

試驗(yàn)數(shù)據(jù)處理

····················································································

8

5.7

精密度

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9

附錄A(規(guī)范性)

維生素A和維生素A乙酸酯標(biāo)準(zhǔn)儲(chǔ)備溶液的質(zhì)量濃度校正方法

················

10

附錄B(資料性)

在線固相萃取閥的切換流程圖

····················································

11

附錄C(資料性)

維生素A標(biāo)準(zhǔn)溶液的液相色譜圖

·················································

12

附錄D(資料性)

維生素A乙酸酯標(biāo)準(zhǔn)溶液色譜圖

·················································

14

GB/T17817—2024

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/T17817—2010《飼料中維生素A的測(cè)定高效液相色譜法》,與GB/T17817—

2010相比,除結(jié)構(gòu)調(diào)整和編輯性改動(dòng)外,主要技術(shù)變化如下:

a)更改了適用范圍,增加了精料補(bǔ)充料和復(fù)合預(yù)混合飼料,更改了“第二法直接提取法”定量

限(見第1章,2010年版的第1章);

b)增加了“第一法皂化提取法”中維生素A標(biāo)準(zhǔn)系列溶液(見4.2.19);

c)將“第一法皂化提取法”中配合飼料、精料補(bǔ)充料、濃縮飼料樣品制備方法更改為試樣全部

通過1mm孔篩(見4.4,2010年版的3.5);

d)將“第一法皂化提取法”提取劑更改為“石油醚”(沸程30℃~60℃)(見4.5.1.2.1,

2010年版的3.6.1.2);

e)增加了離線固相萃取法(見4.5.1.2.2)和在線固相萃取法(見4.5.1.2.3);

f)刪除了正相色譜條件(見2010年版的3.6.2.1.1);

g)增加了液相色譜參考條件(見4.5.2.2和4.5.2.3);

h)增加了定性檢測(cè)方法,定量檢測(cè)增加多點(diǎn)校正(見4.5.2.5,4.5.2.6);

i)更改了“第一法皂化提取法”中試驗(yàn)數(shù)據(jù)處理(見4.6,2010年版的3.6.2.3.1);

j)在“第二法直接提取法”中增加了維生素A標(biāo)準(zhǔn)系列溶液(見5.2.5);

k)更改了“第二法直接提取法”提取溫度,由65℃改為室溫(見5.5.1,2010年版的4.6.1);

l)更改了“第二法直接提取法”中試驗(yàn)數(shù)據(jù)處理(見5.6,2010年版的4.6.2.3);

m)增加了校正維生素A及維生素A乙酸酯標(biāo)準(zhǔn)儲(chǔ)備溶液質(zhì)量濃度的方法(見附錄A);

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。

本文件由全國飼料工業(yè)標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC76)提出并歸口。

本文件起草單位:中國農(nóng)業(yè)科學(xué)院農(nóng)業(yè)質(zhì)量標(biāo)準(zhǔn)與檢測(cè)技術(shù)研究所、山東省畜產(chǎn)品質(zhì)量安全中心、

帝斯曼維生素(上海)有限公司、四川威爾檢測(cè)技術(shù)股份有限公司、中牧實(shí)業(yè)股份有限公司、廣州愛保

農(nóng)生物科技有限公司。

本文件主要起草人:趙小陽、宋榮、虞哲高、張鳳枰、劉向陽、朱高群、劉志英、郭紅雙、汪忠艷、

張瑋、謝麗、李麗蓓、張輝、宋艷、馮秀燕、曹林。

本文件及其所代替文件的歷次版本發(fā)布情況為:

—1999年首次發(fā)布為GB/T17817—1999,2010年第一次修訂;

—本次為第二次修訂。

GB/T17817—2024

飼料中維生素A的測(cè)定高效液相

色譜法

1范圍

本文件描述了飼料中維生素A的高效液相色譜測(cè)定方法。

本文件中“第一法皂化提取法”適用于配合飼料、精料補(bǔ)充料、濃縮飼料、復(fù)合預(yù)混合飼料、維

生素預(yù)混合飼料中維生素A的測(cè)定;“第二法直接提取法”適用于復(fù)合預(yù)混合飼料、維生素預(yù)混合飼

料中維生素A乙酸酯的測(cè)定。

本文件第一法定量限為1000IU/kg,第二法定量限為20000IU/kg。

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

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