boc酸酐保护羟基检测标准

发布时间：2024-12-08 02:51:23

作者：北检院

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CNAS认证

CMA认证

ISO认证

AAA诚信企业

ASTM E222-23

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

【发布单位或类别】 US-ASTM美国材料与试验协会
【发布日期】2023-04-01
【CCS分类】
【ICS分类】71.040.40化学分析

ASTM E222-23

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

【发布单位或类别】 US-ASTM美国材料与试验协会
【发布日期】2017-06-01
【CCS分类】
【ICS分类】71.040.40化学分析

ASTM E222-23

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

【发布单位或类别】 US-ASTM美国材料与试验协会
【发布日期】2010-03-01
【CCS分类】
【ICS分类】71.040.40化学分析

ASTM E222-23

비이온성 계면 활성제 - 폴리알콕실화 유도체 - 하이드록실값의 측정 - 무수프탈산법
Non-ionic surface active agents-Polyalkoxylated derivatives －Determination of hydroxyl value-Phthalic anhydride method

【发布单位或类别】 KR-KS韩国标准
【发布日期】2003-11-14
【CCS分类】
【ICS分类】71.100.40表面活性剂及其他助剂

ASTM E222-23

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

【发布单位或类别】 US-ASTM美国材料与试验协会
【发布日期】2005-03-01
【CCS分类】
【ICS分类】71.040.40化学分析

ASTM E222-23

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

【发布单位或类别】 US-ASTM美国材料与试验协会
【发布日期】2000-10-10
【CCS分类】
【ICS分类】71.040.40化学分析

ASTM E222-23

Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method

【发布单位或类别】 IX-ISO国际标准化组织
【发布日期】1981-09-01
【CCS分类】
【ICS分类】71.080.60醇、醚

ASTM E222-23

SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD

【发布单位或类别】 ES-UNE西班牙标准
【发布日期】1984-12-15
【CCS分类】
【ICS分类】化学分析

ASTM E222-23

Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)

【发布单位或类别】 US-ASTM美国材料与试验协会
【发布日期】1996-01-01
【CCS分类】
【ICS分类】71.040.40表面活性剂及其他助剂

ASTM E222-23

Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method
Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method

【发布单位或类别】 IX-ISO国际标准化组织
【发布日期】1980-03-01
【CCS分类】
【ICS分类】71.100.40表面活性剂及其他助剂

ASTM E222-23

SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD
SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD

【发布单位或类别】 ES-UNE西班牙标准
【发布日期】1982-12-15
【CCS分类】
【ICS分类】

ASTM E222-23

Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method

【发布单位或类别】 IX-ISO国际标准化组织
【发布日期】1979-12-01
【CCS分类】
【ICS分类】71.100.40

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boc酸酐 保护羟基检测标准

CNAS认证

CMA认证

ISO认证

AAA诚信企业

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

비이온성 계면 활성제 - 폴리알콕실화 유도체 - 하이드록실값의 측정 - 무수프탈산법 Non-ionic surface active agents-Polyalkoxylated derivatives －Determination of hydroxyl value-Phthalic anhydride method

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method

SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD

Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001) Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)

Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method

SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD

Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method

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boc酸酐保护羟基检测标准

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

비이온성 계면 활성제 - 폴리알콕실화 유도체 - 하이드록실값의 측정 - 무수프탈산법
Non-ionic surface active agents-Polyalkoxylated derivatives －Determination of hydroxyl value-Phthalic anhydride method

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation

Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method

SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD
SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD

Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)

Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method
Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method

SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD
SURFACE ACTIVE AGENTS. NON-IONIC SURFACE ACTIVE AGENTS. POLYETHOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. ACETIC ANHYDRIDE METHOD

Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method