ImageVerifierCode 换一换
格式:PDF , 页数:2 ,大小:67.41KB ,
资源ID:513580      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!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   
注意:如需开发票,请勿充值!
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【http://www.mydoc123.com/d-513580.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: 微信登录  

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 D2827-2012 Standard Specification for Styrene Monomer《苯乙烯单体的标准规格》.pdf)为本站会员(刘芸)主动上传,麦多课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,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM D2827-2012 Standard Specification for Styrene Monomer《苯乙烯单体的标准规格》.pdf

1、Designation: D2827 12Standard Specification forStyrene Monomer1This standard is issued under the fixed designation D2827; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates

2、the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers styrene monomer.1.2 The following applies to all specified limits in thisstandard: for purposes of determining conformance with thisstandard

3、, an observed value or a calculated value shall berounded off “to the nearest unit” in the last right-hand digitused in expressing the specification limit, in accordance withthe rounding-off method of Practice E29.1.3 The values stated in SI units are to be regarded asstandard.1.4 Consult current OS

4、HA regulations, suppliers MaterialSafety Data Sheets, and local regulations for all materials usedin this specification.2. Referenced Documents2.1 ASTM Standards:2D1016 Test Method for Purity of Hydrocarbons from Freez-ing PointsD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D21

5、19 Test Method for Aldehydes in Styrene MonomerD2121 Test Methods for Polymer Content of Styrene Mono-mer and AMS (Methylstyrene)D2340 Test Method for Peroxides in Styrene MonomerD3437 Practice for Sampling and Handling Liquid CyclicProductsD4017 Test Method for Water in Paints and Paint Materialsby

6、 Karl Fischer MethodD4590 Test Method for Colorimetric Determination ofp-tert-Butylcatechol In Styrene Monomer or AMS(Methylstyrene) by SpectrophotometryD5135 Test Method for Analysis of Styrene by CapillaryGas ChromatographyD5386 Test Method for Color of Liquids Using TristimulusColorimetryD6229 Te

7、st Method for Trace Benzene in HydrocarbonSolvents by Capillary Gas ChromatographyD6304 Test Method for Determination of Water in Petro-leum Products, Lubricating Oils, and Additives by Cou-lometric Karl Fischer TitrationD7375 Test Method for Trace Quantities of Water in Aro-matic Hydrocarbons and T

8、heir Mixtures by CoulometricKarl Fischer TitrationD7504 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andEffective Carbon NumberD7704 Test Method for Total Aldehydes in Styrene Mono-mer by Potentiometric TitrationE29 Practice for Using Significant Digits i

9、n Test Data toDetermine Conformance with SpecificationsE1064 Test Method for Water in Organic Liquids by Coulo-metric Karl Fischer Titration2.2 Other Document:OSHA Regulations, 29CFR paragraphs 1910.1000 and1910.120033. Properties3.1 Styrene monomer shall conform to the following re-quirements:1This

10、 specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 AromaticHydrocarbons.Current edition approved July 1, 2012. Published October 2012. Originallyap

11、proved in 1969. Last previous edition approved in 2011 as D2827 11. DOI:10.1520/D2827-12.2For 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 standards Document Summ

12、ary page onthe ASTM website.3Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbo

13、r Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1Property Specification ASTM Test MethodAPurity, min, weight % 99.8BD5135 or D7504Aldehydes, max, weight % asbenzaldehyde0.0100 D2119 or D7704Peroxides, max, mg/kg as H2O250 D2340Polymer, max, mg/kg 10 D2121, Test Method AInhibitor

14、, mg/kg 10 to 15 (or asrequired)D4590Ethylbenzene, max, mg/kg 500 D5135 or D7504Benzene, max, mg/kg 1 D6229AppearanceC.Color, max, Pt/Co scale 10 D1209 or D5386AIf more than one method is listed, the producer and user should agree on thereferee method.BThe most common impurities can be determined by

15、 Test Method D5135.CClear liquid free of sediment and haze at 18.3 to 25.6C (65 to 78F).NOTE 1Note that weight percent purity of this specification isequivalent to mole percent purity as determined by Test Method D1016.3.2 See Section 5 for nonmandatory requirements.4. Sampling4.1 The material shall

16、 be sampled in accordance withPractice D3437.5. Supplementary Requirements5.1 The following supplementary requirements shall applyonly when specified by the purchaser in the purchase order orcontact.Property ASTM Test MethodAWater D4017, D6304, D7375 or E1064AIf more than one method is listed, the p

17、roducer and user should agree on thereferee method.6. Keywords6.1 specification; styrene; styrene monomerSUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D2827 -11) that may impact the use of this standard. (Approved July 1, 2012.

18、)(1) Added D7704, Test Method for Total Aldehydes in StyreneMonomer by Potentiometric Titration as a test method foraldehydes to the properties table in Section 3 and to Section 2Referenced Documents.(2) Added D7504, Test Method for Trace Impurities in Mono-cyclic Aromatic Hydrocarbons by Gas Chroma

19、tography andEffective Carbon Number to the Properties Section 3 andSection 2 Referenced Documents to allow this test method fordetermining the purity of styrene monomer.(3) Moved the water specification “as needed” to a new Section5 from Section 3, Properties.Committee D16 has identified the locatio

20、n of selected changes to this standard since the last issue (D2827 - 10)that may impact the use of this standard. (Approved January 1, 2011.)(1) Changed the specification range for Color when measuredby Test Method D1209 in the table in 3.1.ASTM International takes no position respecting the validit

21、y of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject

22、 to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarter

23、s. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard i

24、s copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D2827 122

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1