GB/T 19421.2-2003 in English

SUPERSEDED

Test methods of crystalline layered sodium disilicate―Measurement of whiteness

Issued on:2003-12-11
Implemented on:2004-06-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $40.00
$39.00

Standard No:	GB/T 19421.2-2003
Document status:	SUPERSEDED
Superseded by:	GB/T 19421-2008 Test methods of crystalline layered sodium disilicate
Superseded on:	2008-12-01
Title in English:	Test methods of crystalline layered sodium disilicate―Measurement of whiteness
Title in Chinese:	层状结晶二硅酸钠试验方法白度的测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2003-12-11
Implemented on:	2004-06-01
ICS Classification:	71.060.50-Salts
Chinese Classification:	G12-Inorganic salt
Professional Classification:	GB-National Standard
Related Keywords:	layered crystalline sodium disilicate sodium disilicate ― measurement whiteness scopethis part test methods whiteness
Related Topics:	crystallization Crystallization Peak Test Crystallinity Crystalline concentration Relative Crystallinity and Crystallinity BaiDu Crystallization detection method Crystallinity measurement Crystallinity test method Measuring Crystallinity Crystallization detection method total crystallinity layered Sodium formate determination method How much crystallinity Methods of Measuring Crystallinity acid crystallization method Silicon crystallization peak Sodium silicate relative crystallinity degree of crystallinity short degree of crystallinity Two-phase crystallinity Blu-ray whiteness Determination method of sodium oxalate crystallization peak how crystallinity Mass Sodium Determination Method Sodium formate determination method whiteness+ Verification Regulations for Whiteness Meter Whiteness Meter Regulations Whiteness meter instrument Determination method of relative crystallinity Measurement of crystallinity Measuring Crystallinity Crystalline method Determination method and basis of crystallinity Method for Measuring Crystallinity Crystallinity and Relative Crystallinity whiteness standard specific rotation crystallinity Method for Determining Crystallinity Test method of acidity meter GB/T 19421.2 GB/T 19421.2-2003 Determination method of purity of glacial acetic acid Crystallization method Method for measuring the crystallinity of polymers Method for determination of sodium acetate concentration Determination method of polymer crystallinity How to determine dibasic acid Dust-free crystallinity Preparation method of sodium zirconium cyclosilicate Pros and Cons of Recrystallization Method Lens curvature detection method Determination method of moisture crystallinity Test method for sodium nitrate Crystallinity test method The measurement methods of polymer crystallinity include Polymer crystallinity test method Crystalline silicon detection method Methods for Measuring Polymer Crystallization Several methods of crystallization Methods for determining the composition of crystals Crystal water detection method Sodium silicate modulus determination method Preparation method of calcium silicate needle-shaped crystals Four methods of crystallization Acidity meter test method

《GB/T 19421.2-2003层状结晶二硅酸钠试验方法白度的测定》由TC272（全国表面活性剂和洗涤用品标准化技术委员会）归口，主管部门为中国轻工业联合会。
GB/T19421的本部分规定了层状结晶二硅酸钠中白度的测定方法。本部分适用于可用作洗涤助剂的层状结晶二硅酸钠的白度测定。

Scope

This part of GB/T 19421 specifies the method for the determination of whiteness in layered crystalline sodium disilicate. This section applies to the determination of the whiteness of layered crystalline sodium disilicate that can be used as a detergent builder.

More samples: GB 50021-2001(2009) QC/T 942-2021 JJG 21-2008

Sample only — not a preview of GB/T 19421.2-2003

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