GB/T 5474-1985 in English

SUPERSEDED

Phenol-formaldehyde mouldings; Determination of free ammonia and ammonium compounds; Colorimetric comparison method

Issued on:1985-10-17
Implemented on:1986-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $80.00
$78.00

Standard No:	GB/T 5474-1985
Document status:	SUPERSEDED
Superseded by:	GB/T 5474-2016 Plastics-Phenol formaldehyde mouldings-Determination of free ammonia and ammonium compounds-Colorimetric comparison method
Superseded on:	2017-01-01
Title in English:	Phenol-formaldehyde mouldings; Determination of free ammonia and ammonium compounds; Colorimetric comparison method
Title in Chinese:	酚醛模塑制品游离氨和铵化合物的测定比色法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1985-10-17
Implemented on:	1986-07-01
ICS Classification:	83.080.10-Thermosetting materials
Chinese Classification:	G31-Basic standards and general methods for synthetic resin and plastic
Professional Classification:	GB-National Standard
Related Keywords:	free ammonia ammonia content colorimetric comparison method scopethis standard semi-quantitative determination phenol-formaldehyde mouldings
Related Topics:	free ammonia Colorimetry Free ammonia colorimetric free ammonia free nitrogen ammonium ammonia mass Determination method of free ammonia Free ammonia colorimetric method Determination method of free ammonia free ammonium Compound resolution free ammonium at ph Free ammonia+ free ammonium Free Cobalt Colorimetric Method Colorimetric tube Determination method of free ammonia How to measure free ammonia How to measure free ammonia Free ammonium detection Free ammonium test Detection of free ammonium Calculation of free ammonium Compound determination Phenol Reagent Colorimetric Method Determination method of free ammonia in water compound free how to free compound Determination of free ammonia in phenolic molded products free compound compound free GBT5474 GB/T 5474-1985 GB/T 5474-2016 Folin phenol colorimetric method for determination of total phenols Total phenols colorimetric method Detection method for free ammonia in phenolic plastics

《GB/T 5474-1985酚醛模塑制品游离氨和铵化合物的测定比色法》由TC15（全国塑料标准化技术委员会）归口，TC15SC11（全国塑料标准化技术委员会热固性塑料分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了以比色法半定量测定酚醛模塑制品中氨的含量。

Scope

This standard specifies the semi-quantitative determination of ammonia content in phenolic molded products by colorimetry. Note: This national standard is not suitable for the determination of the absolute amount of ammonia. The ammonia content of molded articles is particularly important when corrosion of metal inserts or food contamination due to contact with molded articles has to be considered.

More samples: GB 50021-2001(2009) JC/T 2453-2018 DL/T 5154-2012

Sample only — not a preview of GB/T 5474-1985

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