ImageVerifierCode 换一换
格式:PDF , 页数:5 ,大小:109.65KB ,
资源ID:177675      下载积分:10 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/177675.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_D_50_-_90_2019.pdf)为本站会员(益****师)主动上传,蜗牛文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_D_50_-_90_2019.pdf

1、Designation:D5090(Reapproved 2019)Standard Test Methods forChemical Analysis of Yellow,Orange,Red,and BrownPigments Containing Iron and Manganese1This standard is issued under the fixed designation D50;the number immediately following the designation indicates the year of originaladoption or,in the

2、case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 These test

3、methods cover procedures for the chemicalanalysis of yellow,orange,red,and brown pigments containingiron and manganese.The test methods apply specifically to thefollowing pigments:synthetic hydrated yellow iron oxide,yellow ocher,red and brown iron oxides,raw and burnt umber,raw and burnt sienna,and

4、 venetian red.1.2 The analytical procedures appear in the following order:ASTMMethodRefer-Dry PigmentsSectionsencesMoisture and Other Volatile Matter6D280Loss on Ignition7Coarse Particles8D185Matter Soluble in Water9D1208Organic Coloring Matter10Iron Oxide11 and 12Calcium Compounds(Reported as CaO)1

5、3 and 14Sulfates Soluble in Hydrochloric Acid15 and 16Lead Chromate(in Ochers)17Calcium Carbonate(in Venetian Red)18C25Manganese(in Siennas and Umbers)19 and 20Pigment Pastes in OilPigment Content21D1208Moisture and Other Volatile Matter22D1208Nonvolatile Matter in Vehicle23Moisture by Distillation2

6、4D1208Coarse Particles and Skins25D185Consistency(Stormer)26D5621.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is ther

7、esponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to us.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-iz

8、ation established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C25 Test Methods for Chemical Analysis of Limestone,Quic

9、klime,and Hydrated LimeD185 Test Methods for Coarse Particles in PigmentsD280 Test Methods for Hygroscopic Moisture(and OtherMatter Volatile Under the Test Conditions)in PigmentsD562 Test Method for Consistency of Paints MeasuringKrebs Unit(KU)Viscosity Using a Stormer-Type Viscom-eterD1193 Specific

10、ation for Reagent WaterD1208 Test Methods for Common Properties of CertainPigmentsE11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Significance and Use3.1 These test methods compile in one place,recommendedprocedures for analyzing inorganic colored pigments.Thesepigments are used ex

11、tensively in paints,and for this reasontheir compositions are important to the formulators and user.4.Preparation of Sample4.1 Mix the sample thoroughly and take a representativeportion for analysis.Reduce any lumps or coarse particles to afine powder by grinding.Grind extracted pigments to pass aNo

12、.80(180-m)sieve(see Specification E11 for detailed1These test methods are under the jurisdiction of ASTM Committee D01 onPaint and Related Coatings,Materials,and Applications and are the directresponsibility of Subcommittee D01.31 on Pigment Specifications.Current edition approved May 1,2019.Publish

13、ed May 2019.Originallyapproved in 1917.Last previous edition approved in 2011 as D50 90(2011).DOI:10.1520/D0050-90R19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the

14、 standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Dec

15、ision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 requirements).Discard any skins that do not pass through thesieve.Mix the finely ground pigment thoroughly.5.Purity of Reage

16、nts5.1 Purity of ReagentsUnless otherwise indicated,it isintended that all reagents shall conform to the specifications ofthe Committee onAnalytical Reagents of theAmerican Chemi-cal Society,where such specifications are available.3Othergrades may be used,provided it is first ascertained that thereagent is of sufficiently high purity to permit its use withoutlessening the accuracy of the determination.5.2 Purity of WaterUnless otherwise indicated,referencesto water shall be understood to mean Ty

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2