
GB 4374.7-1984 Chemical analysis methods for magnesium powder and aluminum-magnesium alloy powders - Gravimetric method for determination of hydrochloric acid insoluble matter
time:
2024-08-04 11:25:46
- GB 4374.7-1984
- Abolished
Standard ID:
GB 4374.7-1984
Standard Name:
Chemical analysis methods for magnesium powder and aluminum-magnesium alloy powders - Gravimetric method for determination of hydrochloric acid insoluble matter
Chinese Name:
镁粉和铝镁合金粉化学分析方法 重量法测定盐酸不溶物量
Standard category:
National Standard (GB)
-
Date of Release:
1984-04-30 -
Date of Implementation:
1985-04-01 -
Date of Expiration:
2005-10-14
Standard ICS number:
Metallurgy>>Non-ferrous metals>>77.120.20 Magnesium and magnesium alloysChina Standard Classification Number:
Metallurgy>>Metal Chemical Analysis Methods>>H12 Light Metal and Its Alloy Analysis Methods
Review date:
2004-10-14Drafting Organization:
Northeast Light Alloy Processing PlantFocal point Organization:
National Technical Committee for Standardization of Nonferrous MetalsPublishing Department:
China Nonferrous Metals Industry AssociationCompetent Authority:
China Nonferrous Metals Industry Association

Skip to download
Summary:
GB 4374.7-1984 Chemical analysis methods for magnesium powder and aluminum-magnesium alloy powders Gravimetric determination of hydrochloric acid insoluble matter GB4374.7-1984 standard download decompression password: www.bzxz.net

Some standard content:
中华人民共和国国家标准
镁粉和铝镁合金粉化学分析方法重量法测定盐酸不溶物量
Methods for chemical analysis of magnesium powdersand aluminium -magnesium alloy powdersThe gravimetric method for the determinationof insoluble content in hydrochloric acid本标准适用1镁粉中盐酸不溶物量的测定。测定范固:不人于0.20%。本标准遵宇GB1467-78《治金产品化学分析方法标准的总则及般规定》,方法提要
UDC 669.721 + 669
715'721-492
GB 4374.7-84
试样用盐酸溶解后,过滤并灼烧残渣,根据盐酸不溶物质量计算其百分含量。试剂
2.1盐酸(1+1)。
2.2硝酸银溶液(1%)。
高温炉。
分析步骤
4.1测定数量
行测两份试样,取其均值
4.2试样量
称取5.00g试样。
4.3测定bzxz.net
4.3.1将试样(4.2)置于500ml烧杯中,用少量水润湖。4.3.2缓慢加人90ml盐酸(2.1),待试样完全溶解后点沸1min,取下,用定滤纸过滤,并用热水洗涤至滤出液用硝酸银溶液(2.2)检查无氨离了反应为出。4.3.3将滤纸及語酸不溶物(4.3.2置于己灼烧并称至恒肚的瓷址蜗中,先1炉灰化,然后催高温炉」700C灼烧40min,取壮,置于「燥器中,冷即全室温,称最,并重复灼烧全恒最。5
分析结果的计算
按下武让算喆酸不溶物的百分舍鼠:盐酸不溶物(%)
式中:m,--增埚利盐酸不溶物的质量,g;国家标准局19840430发布
19850401实施
充许差
性蜗的质最,;
试样最,g。
GB4374.7-84
实验室之间分析结果的差值应不大下表所列允许差。战酸不溶物鼠
.0.050
-.05 ~ 1.10
0.10~0.20
附加说明:
本标准由中华人民共利用金工业部提出,本标准的东北轻合金加!负资起草本标准山东北轻合金加广、西北加广起草。本标准主要起草人尤贵法、“亚车。162
充许差
-HTi KAoNi KAca-
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.
镁粉和铝镁合金粉化学分析方法重量法测定盐酸不溶物量
Methods for chemical analysis of magnesium powdersand aluminium -magnesium alloy powdersThe gravimetric method for the determinationof insoluble content in hydrochloric acid本标准适用1镁粉中盐酸不溶物量的测定。测定范固:不人于0.20%。本标准遵宇GB1467-78《治金产品化学分析方法标准的总则及般规定》,方法提要
UDC 669.721 + 669
715'721-492
GB 4374.7-84
试样用盐酸溶解后,过滤并灼烧残渣,根据盐酸不溶物质量计算其百分含量。试剂
2.1盐酸(1+1)。
2.2硝酸银溶液(1%)。
高温炉。
分析步骤
4.1测定数量
行测两份试样,取其均值
4.2试样量
称取5.00g试样。
4.3测定bzxz.net
4.3.1将试样(4.2)置于500ml烧杯中,用少量水润湖。4.3.2缓慢加人90ml盐酸(2.1),待试样完全溶解后点沸1min,取下,用定滤纸过滤,并用热水洗涤至滤出液用硝酸银溶液(2.2)检查无氨离了反应为出。4.3.3将滤纸及語酸不溶物(4.3.2置于己灼烧并称至恒肚的瓷址蜗中,先1炉灰化,然后催高温炉」700C灼烧40min,取壮,置于「燥器中,冷即全室温,称最,并重复灼烧全恒最。5
分析结果的计算
按下武让算喆酸不溶物的百分舍鼠:盐酸不溶物(%)
式中:m,--增埚利盐酸不溶物的质量,g;国家标准局19840430发布
19850401实施
充许差
性蜗的质最,;
试样最,g。
GB4374.7-84
实验室之间分析结果的差值应不大下表所列允许差。战酸不溶物鼠
.0.050
-.05 ~ 1.10
0.10~0.20
附加说明:
本标准由中华人民共利用金工业部提出,本标准的东北轻合金加!负资起草本标准山东北轻合金加广、西北加广起草。本标准主要起草人尤贵法、“亚车。162
充许差
-HTi KAoNi KAca-
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.
- Recommended standards
- JB/T 7704.6-1995 Test methods for electroplating solutions - Determination of polarization curves
- GB 16916.1-2003 Residual current operated circuit breakers (RCCB) for household and similar purposes without overcurrent protection Part 1: General rules
- SY/T 0310-1996 Technical specification for instrumentation and automatic control of offshore petroleum engineering
- JJF 1110-2003 Calibration Specification for Construction Quality Tester Sets
- GA/T 444-2003 General Technical Specification for Public Security Digital Trunked Mobile Communication System
- GB/T 726-1994 Definition of right and left engines of single-row reciprocating internal combustion engines
- HG 20614-1997 Steel pipe flanges, gaskets, and fasteners selection regulations (European system)
- GB/T 7583-1987 Acoustics; Pure tone air conduction threshold audiometry; For hearing conservation purposes
- GB/T 7025.1-1997 Main parameters of elevators and types and dimensions of cars, shafts and machine rooms
- SY 6278-1997 Safety Specification for Natural Gas Purification Plants
- GB/T 14498-1993 Engineering Geology Terminology
- GB/T 14620-1993 Alumina ceramic substrates for thin film integrated circuits
- JB/T 7556-1994 Technical requirements for 2 1/4Cr-1Mo steel forgings for hot wall hydrogenation reactors
- FZ/T 92018-2001 Flat steel ring
- GB/T 4295-1993 Tungsten carbide powder
Please remember: "bzxz.net" is the combination of the first letters of the Chinese pinyin of the four Chinese characters "standard download" and the international top-level domain name ".net". ©2024 Standard download websitewww.bzxz.net Mail:[email protected]