GB/T 5686.4-2022 in English

VALID

Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of phosphorus content—Molybdenum blue spectrophotometric method and bismuth phosphomolybdate blue spectrophotometric method

Issued on:2022-10-12
Implemented on:2023-02-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	GB/T 5686.4-2022
Document status:	VALID
Title in English:	Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of phosphorus content—Molybdenum blue spectrophotometric method and bismuth phosphomolybdate blue spectrophotometric method
Title in Chinese:	锰铁、锰硅合金、氮化锰铁和金属锰磷含量的测定钼蓝分光光度法和铋磷钼蓝分光光度法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2022-10-12
Implemented on:	2023-02-01
Superseding:	GB/T 5686.4-2008 Ferromanganese ferromanganese-silicon itrogen-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue photometric method and alkali content
ICS Classification:	77.100-Ferroalloys
Chinese Classification:	H11-Steel and iron alloy analysis method
Professional Classification:	GB-National Standard
Related Keywords:	titration method molybdenum blue method + bismuth phosphomolybdenum new version detection method system molybdenum blue method + blue spectrophotometric method introduction analysis phosphorus content molybdenum blue spectrophotometric method
Related Topics:	Ferromanganese Phosphomolybdenum blue Manganese phosphating solution zero absorbance Molybdenum chemical analysis methods Determination of phosphorus content Molybdenum blue photometric method Nitrogen content in silicomanganese Phosphomolybdenum blue spectrophotometry Determination of Manganese Content by Ultraviolet Spectrophotometry Determination of Phosphorus Content in Vanadium Pentoxide Bismuth Phosphorus Molybdenum Blue Spectrophotometric Method Molybdenum blue Molybdenum light transmission Molybdenum light transmission Manganese UV Spectrophotometry Spectrophotometer wavelength Molybdenum Alloy Molybdenum Percentage Manganese detection Separation and extraction of metal molybdenum Silicon Manganese Phosphorus Analyzer Billion ferromanganese Molybdenum Determination Methylene Blue Spectrophotometric Method Determination of Molybdenum in Air by Spectrophotometry Spectrophotometric manganese content Water Quality Iron and Manganese total arsenic bismuth molybdenum blue spectrophotometry Spectrophotometric Determination of Metals Spectrophotometric Manganese Photometer manganese Ferrosilicon Phosphorus Content Molybdenum to molybdenum Spectrophotometer heavy metals Ferrosilicon Phosphorus Molybdenum Fluorescent silicon manganese alloy Spectrophotometric heavy metal detection in water Molybdenum blue method trace silicon Manganese and other ferroalloys Spectrophotometry manganese spectrophotometry Photometric Determination of Manganese Content in Steel Spectrophotometric Determination of Heavy Metals Ferromanganese Uncertainty Phosphorus Molybdenum Blue Spectrophotometric Determination of Phosphorus in Industrial Silicon Determination of Trace Molybdenum by Spectrophotometry Spectrophotometric Determination of Trace Molybdenum Metallic iron spectrum ferromanganese alloy Spectrophotometry heavy metals Effective molybdenum spectrophotometry molybdenum spectrophotometer Ferromanganese content test method Spectrophotometry Water Quality Iron and Manganese Determination of total nitrogen content by spectrophotometry Determination of Bismuth Content by Ultraviolet Spectrophotometry Silicon Manganese Phosphorus Analyzer Spectrophotometric Trace Molybdenum Metal manganese powder Phosphorus nitride Phosphomolybdenum blue spectrophotometry Spectrophotometer wavelength manganese ion spectrophotometry Molybdenum-silicon blue photometry for micro-silicon in water Spectroscopic light Spectrophotometry heavy metals Spectrophotometer iron content Luminosity Steel Manganese Spectrophotometer total nitrogen ultra-long phosphorescence Determination of Titanium Iron Phosphorus Content Bismuth Phosphorus Molybdenum Blue Spectrophotometry and Silicon Molybdenum Blue and Phosphorus Molybdenum Blue Spectrophotometric metal content Molybdenum Blue Phosphorus Spectrophotometric detection of heavy metals manganese ion spectrophotometry Molybdenum blue spectrophotometric analysis heavy metal spectrophotometry iec62778 Blu-ray high phosphorus content Ferromanganese nitride Phosphorus by spectrophotometry manganese spectrophotometry Photometric solution spectrophotometric metal iron Total Phosphorus Spectrophotometer Molybdenum sulfide semimetal Manganese silicon alloy and metal manganese lead, arsenic Silicon manganese alloy nitrogen Ferrosilicon and phosphorus content determination spectroscopic Iron powder manganese content GB/T 5686.4 GB/T 5686.4-1998 GB/T 5686.4-2008 GB/T 5686.4-2022 Determination of nitrogen content spectrophotometer Manganese nitrogen alloy Ferromanganese, manganese silicon alloy Ferrosilicon and phosphorus content determination spectroscopic Molybdenum Iron Phosphorus Molybdenum Blue manganese Molybdenum and manganese slurry testing Determination method of silicon manganese alloy manganese High manganese steel contains phosphorus blue phosphorescence Atomic spectrophotometric detection of manganese Photophosphorylation and light reactions Atomic spectrophotometry for the purpose of detecting manganate in water samples Laboratory report on the determination of phosphorus content using phosphomolybdenum blue colorimetric method Manganese phosphating technology Spectrophotometer iron score Spectrophotometric method for measuring solid nitrogen content Determination method for iron and manganese pyrophosphate content Spectrophotometric Trinitrogen Test Method ferromanganese execution Manganese phosphide coating standards Ferro alloy manganese execution Metal manganese powder Manganese phosphating treatment Operation method for measuring phosphine content using molybdenum blue Silicon molybdenum blue photometry standard number Phosphorus iron alloy quality Soil iron, molybdenum, zinc and manganese content What method does the phosphomolybdic acid method belong to? Guangguang Determination of phosphorus by molybdenum blue method Manganese Oxide Spectrophotometric Standard Curve

《GB/T 5686.4-2022锰铁、锰硅合金、氮化锰铁和金属锰磷含量的测定钼蓝分光光度法和铋磷钼蓝分光光度法》由TC318（全国生铁及铁合金标准化技术委员会）归口，TC318SC1（全国生铁及铁合金标准化技术委员会化学分析分会）执行，主管部门为中国钢铁工业协会。

Introduction

Analysis of the new detection technology requirements

Technical change dimensions	2008 version	2022 new version
Detection method system	Molybdenum blue method + alkali titration method	Molybdenum blue method + bismuth phosphomolybdenum blue method
Anti-interference ability	Arsenic interference needs to be removed multiple times	Sodium thiosulfate reduction new process
Maximum detection limit	0.45% (mass fraction)	0.65% (44% expansion)

Selection criteria for supporting instruments

A spectrophotometer is required to be equipped with a 1cm/3cm cuvette. The key consumables include: ::marker:'Platinum dish'::, ::marker:'PTFE beaker':: and other corrosion-resistant containers.

Comparison of dynamic analysis technologies

[Actual Case] Shenzhen XX Laboratory Detection Accuracy Improvement Plan

Parameter Type	Molybdenum Blue Method	Bismuth Phosphorus Molybdenum Blue Method
Applicable Concentration of Metallic Manganese	0.003-0.45%	0.003-0.65%
Color Developing Temperature Control	(85±5)℃	Room Temperature Reaction
Daily test sample volume	12 groups/8 hours	18 groups/8 hours

Extended technology value-added services

According to the research team's survey of 153 metallurgical enterprises, after the implementation of the new standard:

The average testing time is shortened by 42%
The efficiency of joint R&D between universities and enterprises is improved by 27%
The development cycle of new alloy products is shortened by 18%

More samples: JJG 21-2008 JGJ 94-2008 JC/T 2453-2018

Sample only — not a preview of GB/T 5686.4-2022

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