ASTM D1914-1995(2004)e1 Standard Practice for Conversion Units and Factors Relating to Sampling and Analysis of Atmospheres《大气取样和分析的相关换算单位和系数的标准规程》.pdf
《ASTM D1914-1995(2004)e1 Standard Practice for Conversion Units and Factors Relating to Sampling and Analysis of Atmospheres《大气取样和分析的相关换算单位和系数的标准规程》.pdf》由会员分享,可在线阅读,更多相关《ASTM D1914-1995(2004)e1 Standard Practice for Conversion Units and Factors Relating to Sampling and Analysis of Atmospheres《大气取样和分析的相关换算单位和系数的标准规程》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D 1914 95 (Reapproved 2004)e1Standard Practice forConversion Units and Factors Relating to Sampling andAnalysis of Atmospheres1This standard is issued under the fixed designation D 1914; the number immediately following the designation indicates the year oforiginal adoption or, in the c
2、ase of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.e1NOTEEditorially corrected footnote in Table 1 in October 2004.1. Scope1.1 This practice provides u
3、nits and factors useful formembers of the air pollution and meteorological communities.1.2 This practice is used together with IEEE/ASTM SI-10,which discusses SI units and contains selected conversionfactors for inter-relation of SI units and some commonly usednon-metric units.2. Referenced Document
4、s2.1 ASTM Standards:2D 1356 Terminology Relating to Sampling and Analysis ofAtmospheresE11 Specification for Wire Cloth and Sieves for TestingPurposesIEEE/ASTM SI-10 Standard for Use of the InternationalSystem of Units (SI): The Modern Metric System3. Significance and Use3.1 ASTM requires the use of
5、 SI units in all its publicationsand their use in reporting atmospheric measurement data.However, there are historic data and even data currentlyreported that are based on a variety of units of measurement.This practice tabulates factors that are necessary to convertsuch data to SI and other units o
6、f measurement.3.2 IEEE/ASTM SI-10 does not list all the conversionfactors commonly used in air pollution and meteorologicalfields. This practice supplements IEEE/ASTM SI-10.3.3 The values reported here were obtained from a numberof standard publications. They were adjusted to five figures andorganiz
7、ed in a rational order. All values reflect the latestinformation from the 16th General Conference on Weights andMeasurements held in 1979.3.4 The factors in Table 1 are provided to change units ofmeasurement from one system to related units in other systems,as well as to smaller or larger units in t
8、he same system.3.5 Values of units in the left column may be converted tovalues of units in the right column merely by multiplying bythe conversion factor provided in the center column.1This practice is under the jurisdiction of ASTM Committee D22 on Samplingand Analysis of Atmospheres and is the di
9、rect responsibility of SubcommitteeD22.01 on Quality Control.Current edition approved October 1, 2004. Published January 2005. Originallyapproved in 1961. Last previous edition approved in 1999 as D 1914 - 95 (1999).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM
10、 Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.TABLE 1 Conversion UnitsMultip
11、ly By To ObtainTemperatureDegrees Fahrenheit (F) + 459.72 1 Degrees Fahrenheit Absolute or Rankine (R)Degrees Fahrenheit (F) 3259 Degrees Celsius (C)Degrees Celsius (C) + 273.15 1 Kelvins (K)Degrees Celsius (C) + 17.78 1.8 Degrees Fahrenheit (F)Degrees Rankine (R) 459.72 1 Degrees Fahrenheit (F)Kelv
12、ins (K) 273.15 1 Degrees Celsius (C)PressureDynes per square centimetre 1.4504 3 105Pounds per square inch10.197 3 104Grams per square centimetre1 3 106Bars0.1 PascalsPounds per square inch absolute (psia) 70.307 Grams per square centimetre absolute51.715 Millimetres of mercury absolute144 Pounds pe
13、r square foot absolute1 Pounds per square inch gage + 14.6966894.8 PascalsPounds per square inch gage (psig) 70.307 Grams per square centimetre51.715 Millimetres of mercury at 0C27.673 Inches of water at 4C1 Pounds per square inch absolute 14.6966894.8 PascalsInches of water (at 4C) 0.03614 Pounds p
14、er square inch0.07355 Inches of mercury0.57818 Ounces per square inch25.399 Kilograms per square metre2490.8 Dynes per square centimetre249.2 PascalsInches of mercury (at 0C) 0.49116 Pounds per square inch13.595 Inches of water at 4C345.31 Kilograms per square metre3.3864 3 104Dynes per square centi
15、metre3386.4 PascalsMillimetres of mercury (at 0C) 0.01934 Pounds per square inch1.3595 Grams per square centimetre1333.2 Dynes per square centimetre133.32 PascalsCentimetres of mercury (at 0C) 1.3332 3 104Dynes per square centimetre135.95 Kilograms per square metre27.845 Pounds per square foot1333.2
16、 PascalsAtmosphere (normal) 760 Millimetres of mercury at 0C1.0133 Bars14.696 Pounds per square inch29.921 Inches of mercury at 0C1033.2 Grams per square centimetre1.0133 3 106Dynes per square centimetre1.0132 3 105PascalsBars 14.504 Pounds per square inch1.0197 3 104Kilograms per square metre1.000
17、3 106Dynes per square centimetre750.06 Millimetres of mercury (0C)0.98692 Atmospheres105PascalsPascals 10 Dynes per square centimetre1.4504 3 104Pounds per square inch absolute4.0128 3 103Inches of water (at 4C)2.9530 3 104Inches of mercury (at 0C)7.5007 3 103Millimetre of mercury (at 0C)9.8692 3 10
18、6Atmosphere (normal)105BarsDensityGrams per cubic centimetre 1 Grams per millilitre0.03613 Pounds per cubic inch8.3452 Pounds per gallon (U. S.)62.428 Pounds per cubic footPounds per cubic foot 0.01602 Grams per cubic centimetre5.7870 3 104Pounds per cubic inchD 1914 95 (2004)e12TABLE 1 ContinuedMul
19、tiply By To ObtainConcentration(See also Section 4.)Gases in Gas:Parts per million by volume (ppm(v) 1 Micromoles of gas per mole of gas1 3 104Percent by volumeMolecular weight/24 450 Milligrams of substance per litre of air (at 25C and101.3 kPa pressure)1 3 106Partial pressure of one constituentTot
20、al pressure of mixtureParts per billion by volume (ppb(v) 1 3 103Parts per million by volumeOne percent by volume 10 000 Parts per million by volumeMilligrams per litre 1000 Milligrams per cubic metre1 3 106Micrograms per cubic metreMilligrams per cubic metre 1 3 103Milligrams per litreMicrograms pe
21、r cubic metre 1 3 106Milligrams per litreLiquid and Solid Particles in Gas:Milligrams per litre 1 3 103Milligrams per cubic metre1 3 106Micrograms per cubic metreMilligrams per cubic metre 1 3 103Milligrams per litreMicrograms per cubic metre 1 3 106Milligrams per litreOunces per thousand cubic feet
22、 1.0012 Grams per cubic metreGrains per cubic foot 2.2883 Grams per cubic metreParticles per cubic centimetre 2.8317 3 104Particles per cubic foot1 3 106Particles per cubic metreParticles per cubic metre 1 3 106Particles per cubic centimetre0.02832 Particles per cubic footMillions of particles per c
23、ubic foot 35.314 Millions of particles per cubic metreGases, Liquids, and Solids in Liquids:Gram molecular weight per litre 1 Moles per litreParts per million by weight 1 Milligrams per litre (where specific gravity of dispersionmedium is 1.00)LengthAngstrom units 1 3 1010Metres3.9370 3 109Inches1 3
24、 104Micrometres1 3 108Centimetres0.1 NanometresNanometres 1 3 109Metres1 3 107Centimetres10 Angstrom unitsMicrometres 3.9370 3 105Inches1 3 106Metres1 3 104Centimetres1 3 104Angstrom unitsMillimetres 0.03937 Inches (U. S.)1000 MicrometresCentimetres 0.39370 Inches (U. S.)1 3 104Micrometres1 3 107Nan
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMD191419952004E1STANDARDPRACTICEFORCONVERSIONUNITSANDFACTORSRELATINGTOSAMPLINGANDANALYSISOFATMOSPHERES

链接地址:http://www.mydoc123.com/p-510675.html