Related Experiment Video
Updated: Jul 12, 2026
06:04
Simulation of the Planetary Interior Differentiation Processes in the Laboratory
Published on: November 15, 2013
Chemical composition of lunar material
Science (New York, N.Y.)
|January 30, 1970
Summary
Apollo 11 lunar samples underwent detailed chemical analysis. Researchers determined major, minor, and trace elements using advanced spectroscopic techniques for precise composition data.
Area of Science:
- Lunar and Planetary Science
- Geochemistry
- Analytical Chemistry
Background:
- Apollo 11 mission returned lunar samples crucial for understanding the Moon's origin and evolution.
- Accurate chemical characterization of these samples is vital for geological and compositional studies.
Purpose of the Study:
- To perform comprehensive chemical and emission spectrographic analyses on three specific Apollo 11 lunar samples.
- To determine the major, minor, and trace element constituents of the analyzed samples.
Main Methods:
- Employed conventional rock analysis methods.
- Utilized a novel composite scheme involving lithium fluoborate dissolution, atomic absorption spectroscopy, and colorimetry for major/minor constituents.
- Applied d-c arc optical emission spectroscopy with air-jet control for trace constituents.
Main Results:
- Detailed chemical composition data were obtained for Apollo 11 samples 10017-29, 10020-30, and 10084-132.
- The study successfully quantified major, minor, and trace elements using both established and new analytical approaches.
Conclusions:
- The applied analytical methods provided a comprehensive elemental profile of the Apollo 11 samples.
- This detailed chemical data contributes to the broader understanding of lunar geology and sample origins.
More Related Videos
11:50Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
Published on: June 13, 2015
07:54Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas
Published on: April 3, 2018
Related Concept Videos
03:35Classifying Matter by Composition
Matter: Pure Substances and Mixtures
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures.
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated.
A mixture is composed of two or more types of...
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures.
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated.
A mixture is composed of two or more types of...
01:13What is Matter?
The substance of the universe—from a grain of sand to a star—is called matter. Scientists define matter as anything that occupies space and has mass. An object’s mass and its weight are related concepts, but not quite the same. An object’s mass is the amount of matter contained in the object and is the same whether that object is on Earth or in the zero-gravity environment of outer space. An object’s weight, on the other hand, is its mass as affected by the pull of gravity. Where gravity...
00:49Gravimetry: Inorganic And Organic Precipitating Agents
In gravimetry, the precipitant is chosen carefully to obtain a pure solid that can be easily filtered. Common inorganic precipitants can be used to determine several cations and anions. In some cases, the formation of the same precipitate can be used to determine the cation and the anion. For example, the reaction of barium and chromate ions to give barium chromate is used to determine both barium and chromate. However, precipitates such as hydroxides, oxalates, and metal ammonium phosphates...
01:08Sample Preparation for Analysis: Advanced Techniques
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
01:23Properties of Organometallic Compounds
Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
01:27Elements and Compounds
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.ElementsElements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...