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SN/T 2784-2011Determination of free ammonia for import phenolic plastics (English PDF)

进口酚醛塑料中游离氨的检测方法

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Issued by

General Administration of Customs

Level / Type

National · Recommended

Issue date

February 25, 2011

Implementation date

July 1, 2011

Scope

SN/T 2784-2011 is the English-translated version of 进口酚醛塑料中游离氨的检测方法.

SN/T 2784-2011 — This standard specifies the spectrophotometric detection method for the determination Bakelite ammonia and ammonium compounds. This standard applies to free ammonia and ammonium compounds - Determination of Bakelite in imports.

Note. This standard is absolute measured values do not provide the total amount of ammonia.

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Document preview — SN/T 2784-2011

National Standard of the People's Republic of China

ICS: 83.080
Classification: G 32

Issued by: General Administration of Customs

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the method for spectrophotometric determination of phenolic detect ammonia and ammonium compounds. This standard applies to the free determination of ammonia and ammonium compounds in imports phenolics.

Document data

International classification (ICS): 83.080.

Chinese classification (CCS): G32.

Estimated length of the Chinese original: 10,158 words.

Adopted international standard: ISO 14849-1999, IDT.

Standards quoted by this document

ISO 3696; ISO 4793; ISO 5725-2

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 3696 · ISO 4793 · ISO 5725

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