GB/T 609-2018 in English

VALID

Chemical reagent—General method for the determination of total nitrogen

Issued on:2018-06-07
Implemented on:2019-01-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $140.00
$136.00

Standard No:	GB/T 609-2018
Document status:	VALID
Title in English:	Chemical reagent—General method for the determination of total nitrogen
Title in Chinese:	化学试剂总氮量测定通用方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2018-06-07
Implemented on:	2019-01-01
Superseding:	GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen
ICS Classification:	71.040.30-Chemical reagents
Chinese Classification:	G60-Chemical reagent in general
Professional Classification:	GB-National Standard
Related Keywords:	chemical reagent general method reagent colorimetric method general method salicylic acid-hypochlorite colorimetric method total nitrogen scopethis standard
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《GB/T 609-2018化学试剂总氮量测定通用方法》由TC63（全国化学标准化技术委员会）归口，TC63SC3（全国化学标准化技术委员会化学试剂分会）执行，主管部门为中国石油和化学工业联合会。

Scope

This standard specifies the general method for the determination of the total amount of trace inorganic nitrogen compounds by Nessler's reagent colorimetric method and salicylic acid-hypochlorite colorimetric method. This standard applies to the determination of the total amount of trace inorganic nitrogen compounds (including nitrate, nitrite and ammonium salt) in chemical reagents. The detection range of Nessler's reagent visual colorimetry and spectrophotometry is 0.05 μg/mL~0.8 μg/mL (calculated as N); the detection of salicylic acid-hypochlorite visual colorimetry and spectrophotometry The range is 0.04 μg/mL~1 μg/mL (calculated as N).

More samples: DL/T 368-2010 QC/T 942-2021 GB 50021-2001(2009)

Sample only — not a preview of GB/T 609-2018

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