GB/T 2441.4-2001 in English

SUPERSEDED

Determination of urea-Determination of iron content-1,10-Phenanthroline spectrophotometric method

Issued on:2001-07-02
Implemented on:2002-01-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $180.00
$175.00

Standard No:	GB/T 2441.4-2001
Document status:	SUPERSEDED
Superseded by:	GB/T 2441.4-2010 Determination of urea—Part 4:Iron content—1,10-Phenanthroline spectrophotometric method
Superseded on:	2011-01-01
Title in English:	Determination of urea-Determination of iron content-1,10-Phenanthroline spectrophotometric method
Title in Chinese:	尿素测定方法铁含量的测定邻菲�啉分光光度法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2001-07-02
Implemented on:	2002-01-01
ICS Classification:	65.080-Fertilizers
Chinese Classification:	G21-Chemical fertilizer and chemical soil conditioner
Professional Classification:	GB-National Standard
Related Keywords:	iron content content-1 10-phenanthroline spectrophotometric method scopethis standard iron determination standard applies
Related Topics:	Determination method of iron element Neighborhood adjacent element O-phenanthroline method Spectrophotometric testing of cobalt content o phyllo According to o-phenanthroline O-phenanthroline colorimetric method Water-Photometric Determination of Cyanuric Acid Content Philippine + Philippines Iron content method Urea method o-phenanthroline aluminum Determination of copper element by spectrophotometry O-phenanthroline monohydrate+ iron content standard Urea spectrophotometry Determination of Rhodamine Content by Ultraviolet Spectrophotometry Method for Determination of Cadmium by Spectrophotometry Measuring method of phenanthrene Anhydrous phenanthroline Photometric iron O-phenanthroline spectrophotometry O-phenanthroline spectrophotometry O-phenanthroline in Method for the determination of iron by spectrophotometry Urea content by spectrophotometry Halogen Content Determination Method Method for Determination of Content by Ultraviolet Spectrophotometry gb/t2441.4 Determination of naphthalene content by spectrophotometry Is the content determined by polarimetry? Spectrophotometer iron content Spectrophotometric method for the determination of cod Measurement method of optical rotation Gravimetric method - particle size Urea Determination Method Optical rotation measurement method O-phenanthroline iron reagent Determination of trace iron content in water by o-phenanthroline method Spectrophotometric content determination method Urea UV spectrophotometry Toxin Photometry cod determination + spectrophotometry Spectrophotometer to measure copper element photometric toxin GBT2441.4 GB/T 2441.4-2001 GB/T 2441.4-2010 O-phenanthroline spectrophotometry iron content Photoreaction of phenanthrene Vitamin C content determination by UV spectrophotometry Determination method of beryllium Spectrophotometry Urea detection method Commonly used methods for determining drug content using UV spectrophotometry Determination of iron in water by phenanthroline spectrophotometry Establishment and verification of method for determination of drug content by UV spectrophotometry Spectrophotometer iron score Spectrophotometric method for measuring solid nitrogen content Spectrophotometric determination method of tetravalent vanadium Validation of UV spectrophotometric content determination methodology Luciferase expression assay method How to identify urea Urea concentration detection method Determination method of photosynthetic pigment content in ethanol Piroxicam content determination method Fei’s test method Urine and fecal porphyrin determination method Spectrophotometric method for measuring oil content Method for quickly dissolving phenanthroline Spectrophotometric determination of chromium in urine Colorimetric method for determining selenium content in urine Hepcidin detection method Methods for determination of antibiotic content Physical and chemical determination of urinary and fecal porphyrins in urine Spectrophotometric determination of nickel in urine Determination method of lutein content Spectrophotometric method for determination of cadmium Urine routine histamine content determination method Method for determination of histamine content in urine

《GB/T 2441.4-2001尿素测定方法铁含量的测定邻菲啰啉分光光度法》由TC105（全国肥料和土壤调理剂标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。

Scope

This standard specifies the determination of iron content in industrial urea by o-phenanthroline spectrophotometry. This standard applies to the determination of iron content in industrial urea synthesized from ammonia and carbon dioxide.

More samples: YD/T 3934-2021 JJG 21-2008 GB 18306-2015

Sample only — not a preview of GB/T 2441.4-2001

Loading PDF document...

Error loading PDF. Please make sure the file is valid and try again.

We also recommend

GB/T 33804-2025 in English

Fertilizer grade potassium humate
2025-05-30
GB/T 26568-2011 in English

Magnesium sulfate for agricultural use
2011-06-16
GB/T 10510-2023 in English

Nitrophosphate, potassium nitrophosphate
2023-08-06
GB/T 10205-2009 in English

Monoammonium phosphate and diammonium phosphate
2009-11-30
GB/T 34763-2017 in English

Urea aldehyde slow release fertilizer
2017-11-01
GB/T 20782-2006 in English

Contant phosphorus antidetonating ammonium nitrate for agriculture
2007-03-26
GB/T 535-2020/XG1-2022 in English

Fertilizer grade ammonium sulphate, includes Amendment 1
2022-12-30
GB/T 2440-2017 in English

Urea
2017-12-29
GB/T 17419-2018 in English

Foliar fertilizer with organic matter
2018-05-14
GB/T 29401-2020 in English

Sulfur coated urea (SCU)
2020-11-19