ImageVerifierCode 换一换
格式:PDF , 页数:4 ,大小:88.94KB ,
资源ID:188305      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/188305.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_F_1500_-_98_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_F_1500_-_98_2019.pdf

1、Designation:F150098(Reapproved 2019)Standard Test Method forQuantitating Non-UV-Absorbing Nonvolatile Extractablesfrom Microwave Susceptors Utilizing Solvents as FoodSimulants1This standard is issued under the fixed designation F1500;the number immediately following the designation indicates the yea

2、r oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method is applicable to complete microwavesusceptors

3、.1.2 This test method covers a procedure for quantitatingnon-UV-absorbing nonvolatile compounds which are extract-able when the microwave susceptor is tested under simulateduse conditions for a particular food product.1.3 The values stated in SI units are to be regarded asstandard.No other units of

4、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 theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of

5、 regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Tra

6、de Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2E260 Practice for Packed Column Gas ChromatographyE682 Practice for Liquid Chromatography Terms and Rela-tionshipsE685 Practice for Testing Fixed-Wavelength PhotometricDetectors Used in Liquid Chromato

7、graphyF874 Test Method for Temperature Measurement and Pro-filing for Microwave SusceptorsF1317 Test Method for Calibration of Microwave OvensF1349 Test Method for Nonvolatile Ultraviolet(UV)Ab-sorbing Extractables from Microwave Susceptors3.Terminology3.1 Definitions of Terms Specific to This Stand

8、ard:3.1.1 microwave susceptorpackaging materials that,whenplaced in a microwave field,are designed to interact with thefield and provide substantial heat to the package contents.3.1.2 nonvolatile extractablesthose chemical specieswhich released from microwave food packaging under simu-lated use cond

9、itions and are detected using an applicablenonvolatile extractables method.4.Summary of Test Method4.1 Nonvolatile extractables are determined by subjecting asample of the susceptor material to microwave heating undersimulated use conditions.The sample is washed with solventscovering a range of pola

10、rities.The solvent washes are com-bined and the solvents evaporated just to dryness.The residueis redissolved in a measured quantity of chloroform and thesample split for gravimetric or other analyses,such as HPLC orIR.For the gravimetric determination,a measured portion ofthe sample is filtered and

11、 evaporated and the residue weighed.For other analyses,the remainder of the sample is evaporatedand may be reconstituted in dimethylacetamide prior to injec-tion(see Test Method F1349 for quantitation of UV-absorbingnonvolatiles by HPLC),or treated appropriately prior toexamination by other chromato

12、graphic or spectroscopic meth-ods.5.Significance and Use5.1 This test method was developed to measure non-UV-absorbing nonvolatile extractables that may be present andmigrate from a microwave susceptor material during use.Itmay be a useful procedure to assist in minimizing the amountof non-UV-absorb

13、ing nonvolatile extractables either throughsusceptor design or manufacturing processes.5.2 Supplementation of this procedure with other analyticaltechnologies such as high-pressure liquid chromatography,1This test method is under the jurisdiction of ASTM Committee F02 on PrimaryBarrier Packaging and

14、 is the direct responsibility of Subcommittee F02.15 onChemical/Safety Properties.Current edition approved March 1,2019.Published May 2019.Originallyapproved in 1994.Last previous edition approved in 2014 as F1500 98(2014).DOI:10.1520/F1500-98R19.2For referenced ASTM standards,visit the ASTM website

15、,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis intern

16、ational standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 supercritical fluid chromatography,or infrared or other formsof spectroscopy may provide the analyst with additionalinformation regarding the identification of the components ofthe non-UV-absorbi

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2