D
1
This method is under the jurisdiction of ASTM Committee E-48on Biotech-
玉米面发糕怎么做>阜阳八里河风景区nology and is the direct responsibility of Subcommittee E48.05on Biomass
Conversion Systems.
Current edition approved May 28,1982.Published December 1982.
2Annual Book of ASTM Standards ,V ol 05.05.1
AMERICAN SOCIETY FOR TESTING AND MATERIALS八十大寿的祝福语
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Reprinted from the Annual Book of ASTM Standards.Copyright ASTM
nearest 0.02g and record as container weight,W c .Place a
minimum of 50g of sample in the container,weigh the sample
and container to the nearest 0.01g,and record as initial weight,2002年多大
W i .
6.3Place the sample and container in the oven for 16h at
10361°C.
6.4Remove the sample and the container from the oven and
cool in the desiccator to room temperature.Remove the sample
and container from the desiccator,weigh immediately to the
nearest 0.01g,and record the weight.
6.5Return the sample and container to the oven at 1036
1°C for 2h.Repeat 6.4.
泰山的介绍
6.6Continue 6.4until the total weight change between
weighings varies less than 0.2%and record as the final weight,梦见裤子丢了
W f .
7.Calculation
7.1Calculate the percent moisture in the analysis sample as
别史
follows:
Moisture in analysis sample,%5@~W i 2W f !/~W i 2W c !#3100(1)where:W c 5container weight,g,W i 5initial weight,g,and W f 5final weight,g.8.Precision and Bias 8.1The following criteria should be ud for judging the acceptability of results:8.1.1Repeatability —Duplicate results by the same labor
a-tory should not be considered suspect unless they differ by more than 0.5%.8.1.2Reproducibility —The results submitted by two or more laboratories should not be considered suspect unless they differ by more than 1%.
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19428.
