標(biāo)準(zhǔn)解讀

《GB/T 44346-2024 木質(zhì)活性炭鑒別方法》是一項(xiàng)國(guó)家標(biāo)準(zhǔn)，旨在為木質(zhì)活性炭的識(shí)別提供科學(xué)依據(jù)和技術(shù)指導(dǎo)。該標(biāo)準(zhǔn)適用于以木材為原料通過(guò)化學(xué)或物理方法制備的活性炭產(chǎn)品的鑒定工作，確保其質(zhì)量符合特定要求。內(nèi)容覆蓋了從樣品采集、前處理到最終分析測(cè)定的一系列流程。

首先，在樣品準(zhǔn)備階段，規(guī)定了如何正確采集具有代表性的樣本，并對(duì)這些樣本進(jìn)行必要的預(yù)處理，比如干燥和粉碎等步驟，以保證后續(xù)測(cè)試的準(zhǔn)確性。接下來(lái)是關(guān)于鑒別方法的選擇與應(yīng)用，包括但不限于顯微鏡觀察法、紅外光譜分析法、元素分析法以及吸附性能測(cè)試等多種技術(shù)手段。每種方法都有詳細(xì)的實(shí)驗(yàn)條件設(shè)定、操作步驟說(shuō)明及結(jié)果判斷依據(jù)介紹，使得整個(gè)過(guò)程標(biāo)準(zhǔn)化、可重復(fù)性強(qiáng)。

此外，《GB/T 44346-2024》還特別強(qiáng)調(diào)了數(shù)據(jù)記錄的重要性，要求所有實(shí)驗(yàn)過(guò)程中產(chǎn)生的原始數(shù)據(jù)都必須準(zhǔn)確無(wú)誤地記錄下來(lái)，并按照規(guī)定格式整理歸檔。同時(shí)，對(duì)于不同批次間可能存在差異的情況也給出了相應(yīng)的評(píng)估建議，幫助使用者更好地理解并應(yīng)用此標(biāo)準(zhǔn)于實(shí)際工作中。

最后，該文件還包含了附錄部分，提供了更多輔助信息如參考文獻(xiàn)列表、術(shù)語(yǔ)定義解釋等內(nèi)容，有助于加深讀者對(duì)該領(lǐng)域知識(shí)的理解。通過(guò)遵循這一標(biāo)準(zhǔn)，相關(guān)行業(yè)從業(yè)者能夠更加有效地完成木質(zhì)活性炭的質(zhì)量控制任務(wù)。


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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文檔簡(jiǎn)介

ICS

65.050

CCS

B72

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

GB/T44346—2024

木質(zhì)活性炭鑒別方法

Identificationmethodsofwood-basedactivatedcarbon

2024-09-29發(fā)布2024-09-29實(shí)施

國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布

國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)

GB/T44346—2024

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

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1

3

術(shù)語(yǔ)和定義

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

1

4

掃描電鏡法

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1

4.1

原理

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1

4.2

儀器設(shè)備

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1

4.3

樣品

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2

4.4

試驗(yàn)步驟

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2

4.5

試驗(yàn)數(shù)據(jù)處理

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2

5

碳14同位素（14C）法

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2

5.1

原理

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2

5.2

儀器設(shè)備

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2

5.3

試驗(yàn)步驟

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2

5.4

試驗(yàn)數(shù)據(jù)處理

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2

6

試驗(yàn)報(bào)告

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3

附錄A（資料性）

木質(zhì)活性炭掃描電鏡圖

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

4

附錄B（資料性）

煤質(zhì)活性炭掃描電鏡圖

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6

附錄C（資料性）

苯合成裝置圖

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7

Ⅰ

GB/T44346—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。

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(guó)家林業(yè)和草原局提出。

本文件由全國(guó)林化產(chǎn)品標(biāo)準(zhǔn)化技術(shù)委員會(huì)（SAC/TC558）歸口。

本文件起草單位：中國(guó)林業(yè)科學(xué)研究院林產(chǎn)化學(xué)工業(yè)研究所、廈門大學(xué)、江蘇森森炭業(yè)科技有限

公司。

本文件主要起草人：孫康、盧辛成、王德超、劉杰、寧?kù)o、徐茹婷、張燕萍、劉穎、王傲、孫昊、

許偉、陳超、馬名哲。

Ⅲ

GB/T44346—2024

木質(zhì)活性炭鑒別方法

1范圍

本文件描述了掃描電鏡法和碳14同位素（14C）法用于木質(zhì)活性炭鑒別，并給出了樣品制備、試驗(yàn)

步驟以及鑒別特征圖。

本文件適用于木質(zhì)活性炭與煤質(zhì)活性炭的鑒別。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過(guò)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。

GB/T42985生物質(zhì)基泡沫材料中生物基含量檢測(cè)方法

3術(shù)語(yǔ)和定義

下列術(shù)語(yǔ)和定義適用于本文件。

3.1

木質(zhì)活性炭wood-basedactivatedcarbon

由木質(zhì)原料經(jīng)炭化、活化等工藝制成的孔隙結(jié)構(gòu)發(fā)達(dá)、較大比表面積的碳質(zhì)吸附材料。

3.2

煤質(zhì)活性炭coal-basedactivatedcarbon

以煤為原料生產(chǎn)的活性炭。

3.3

殘留生物質(zhì)細(xì)胞壁結(jié)構(gòu)residualbiomasscellwallstructure

木質(zhì)活性炭特有的殘留細(xì)胞壁結(jié)構(gòu)。

4掃描電鏡法

4.1原理

掃描電鏡法利用被聚集的、具有一定能量的電子束在樣品表面掃描，激發(fā)產(chǎn)生二次電子，獲得樣品

表面形貌的掃描圖像。依據(jù)木質(zhì)活性炭區(qū)別于煤質(zhì)活性炭獨(dú)有的殘留生物質(zhì)細(xì)胞壁結(jié)構(gòu)，來(lái)鑒別木質(zhì)活

性炭

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