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No other units of measurement are included in this standard. Historical Version s – view previous versions of standard. Ash obtained differs in composition from the inorganic constituents present in the original coal.
ASTM D – 12 – Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
Link to Active This link will always route to the current Active version of the standard. Incineration causes an expulsion of all water, the loss of carbon dioxide from carbonates, the conversion of iron pyrites into ferric oxide, and other chemical reactions.
American Journal of Analytical ChemistryVol. From a population of samples astmm both crops, covering multiple sampling astn within the treatments, calibration models were developed utilizing spectral information covering both visible and NIR region of 61 – 85 randomly chosen samples using modified partial least-squares MPLS regression with internal cross validation.
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.
Rapid and low cost methods of analyzing plant forage quality would be helpful for nutrition management of livestock.
Glynn TillmanW. Thus, these models can be reliably applied in the routine analysis of soybean and sunflower forage sstm for the purposes of livestock nutrient management decisions. The results showed that the same model was able to adequately quantify a particular forage quality of both crops managed under different tillage treatments and at different stages of growth.
The results obtained can be applied as the ash in the proximate analysis, Practice Dand in the ultimate analysis, Practice D Ash, as determined by this test method, will differ in amount from ash produced in furnace operations and other firing systems because incineration conditions influence the chemistry and amount of the ash. Scientific Research An Academic Publisher. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM D – 12 Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
See Terminology D for definition of ash. References for correcting ash results determined by this test method to a mineral-matter-free basis are listed in Classification DSection 9.
Crops were managed under conventional tillage or no-till with a cover crop of wheat before soybean and rye-crimson clover before sunflower. Uttam SahaDinku EndaleP. Test Method D should be used to prepare ash to be used for trace element analysis. Within MPLS protocol, we compared zstm different math treatments on the quality of the calibration models.
ASTM D3174 – 12
We developed and validated calibration models using Near-infrared Reflectance Spectroscopic NIRS analysis for 27 different forage quality parameters of organically grown sunflower and soybean leaves or reproductive parts. Development and Validation Calibration Models.
For the determination of the constituents in ash, reference is made to Test Methods DD and D