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ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using In
ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)14. Procedure14.1 Analysis - Analyze the test specimen solutions in the same manner as the calibration standards (that is, same integration time, background correction ...
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ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using In
ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)9. Sampling9.1 It is critical that a representative sample be obtained for analysis from the bulk material. Maintaining compositional integrity of these samples ...
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ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using In
ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)7. Apparatus7.1 Balance - Top loading or analytical, with automatic tare, capable of weighing to 0.001 or 0.0001 g, with sufficient capacity to weigh prepared ...
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ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using In
ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)4. Summary of Test Method4.1 This test method usually requires several minutes per sample. A weighed portion of a thoroughly homogenized crude oil is diluted ...
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ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using In
ASTM D7691 Standard Test Method for Multielement Analysis of Crude Oils Using Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)1. Scope1.1 This test method covers the determination of several elements (including iron, nickel, sulfur, and vanadium) occurring in crude oils.1.2 For analysis ...
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ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwa
ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwave Heating (With or Without Prior Ashing) for Atomic Spectroscopic Elemental Determination in Petroleum Products and Lubricants9. Analysis9.1 Preparation of Ash or Sulfated Ash:9.1.1 If petroleum product or lubricant samples ...
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ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwa
ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwave Heating (With or Without Prior Ashing) for Atomic Spectroscopic Elemental Determination in Petroleum Products and Lubricants6. Apparatus6.1 Analytical Balance, capable of weighing to 0.001 g or 0.0001 g, capacity of 150 ...
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ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwa
ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwave Heating (With or Without Prior Ashing) for Atomic Spectroscopic Elemental Determination in Petroleum Products and Lubricants4. Summary of Practice4.1 Aweighed portion of the sample is subjected to alternate means of sample ...
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ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwa
ASTM D7876 Standard Practice for Practice for Sample Decomposition Using Microwave Heating (With or Without Prior Ashing) for Atomic Spectroscopic Elemental Determination in Petroleum Products and Lubricants1. Scope1.1 This practice covers the procedure for use of microwave radiation for sample decomposition ...
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ASTM D7482 Standard Practice for Sampling, Storage, and Handling of Hydrocarbons
ASTM D7482 Standard Practice for Sampling, Storage, and Handling of Hydrocarbons for Mercury Analysis9. Contamination and Interference9.1 Contamination is a significant issue whenever samples contain the target analytes at the parts-per-billion or low parts-per-million range. For mercury in hydrocarbon ...
