ASTM D7829-2013e1
测定原油中沉积和水的标准指南

Standard Guide for Sediment and Water Determination in Crude Oil

非常抱歉，我们暂时无法提供预览，您可以试试： 免费下载 ASTM D7829-2013e1 前三页，或者稍后再访问。

如果您需要购买此标准的全文，请联系： 。

注意： 点击下载后，生成下载文件时间比较长，请耐心等待......

标准号

ASTM D7829-2013e1

发布日期

2013年

实施日期

废止日期

无

国际标准分类号

75.040 (Crude petroleum)

发布单位

US-ASTM

适用范围

3.1x00a0;Theoretically, all of the sediment and water determination methods are valid for crude oils containing from 0 to 1008201;% by volume sediment and water; the range of application is specified within the scope of each method. The round robins for all methods were conducted on relatively dry oil. All precision and bias statements included in the methods are based upon the round robin data. Analysis becomes more challenging with crude oils containing higher water contents due to the difficulty in obtaining a representative sample, and maintaining the sample quality until analysis begins.

3.2x00a0;Currently, Karl Fischer is generally used for dry crude oils containing less than 58201;% water. Distillation is most commonly used for dry and wet crude oils and where separate sediment analysis is available or in situations where the sediment result is not significant. The laboratory centrifuge methods allow for determination of total sediment and water in a single analysis. The field centrifuge method is used when access to controlled laboratory conditions are not available.

3.3x00a0;In the event of a dispute with regard to sediment and water content, contracting parties may refer to the technical specifications table to determine the most appropriate referee method based upon knowledge of and experience with the crude oil or product stream.

1.1x00a0;This guide covers a summary of the water and sediment determination methods from the API MPMS Chapter 10 for crude oils. The purpose of this guide is to provide a quick reference to these methodologies such that the reader can make the appropriate decision regarding which method to use based on the associated benefits, uses, drawbacks and limitations.

1.2x00a0;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3x00a0;This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.