Heat of Combustion

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MOQ : 1 Kilograms

Heat of Combustion Specification

Molecular Formula
Depends on substance

Application
Used in chemical thermodynamics, energy content measurement, fuel analysis, scientific research

Appearance
Depends on substance (colorless, transparent, or characteristic)

Smell
Characteristic/Burnt depending on composition

Storage
Depending on sample substance guidelines

Ingredients
Substance/component under combustion analysis

Physical Form
Liquid, Gas, or Solid (context-dependent sample)

Melting Point
Depends on substance

Properties
Indicates the amount of heat released during complete combustion of a substance

Poisonous
Depends on composition

Product Type
Thermodynamic Property

Grade
Analytical/Reagent

Molecular Weight
Variable

Solubility
Variable

Usage
Quantitative measurement of heat output, calorimetry studies

Density
Gram per cubic centimeter(g/cm3)

Structural Formula
Depends on substance

Heat of Combustion Trade Information

Minimum Order Quantity
1 Kilograms

Payment Terms
Cash Against Delivery (CAD)

Supply Ability
Kilograms

Delivery Time
3-4

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Main Export Market(s)
Asia

Main Domestic Market
All India

About Heat of Combustion

Heat of Combustion

Properties

Related Categories	Additional Standards, Analytical Standards,Analytical/Chromatography, Certified Reference Materials (CRMs), Environmental Matrix CRMs (RTC), Matrix CRMs, Matrix Materials Standards, Soil Matrix CRMs, Soil QC - Metals/Inorganic CRMs
mfr. no.	RTC, SQC-062
concentration	in varies
format	matrix material

Principle and Measurement of Heat of Combustion

Heat of combustion is determined by measuring the heat released when a sample completely reacts with oxygen. Standard laboratory methods such as bomb calorimetry or differential scanning calorimetry are deployed. The samples physical formliquid, solid, or gasdictates sample preparation, while results are commonly tabulated in kJ/mol, kcal/mol, or Btu/lb. Data acquired are essential for comparing fuels, materials, and for energy yield calculations.

Typical Applications Across Industries

Determining the heat of combustion is vital in the petrochemical sector, energy production, and material science, as well as for academic thermodynamics studies. Fuel analysis is guided by standards (ASTM D240, ISO 1928), while research uses rely on calorimetry to quantitatively compare energy outputs. High-calorific fuels are preferred in power generation and industrial processes for efficiency.

Handling, Storage, and Safety Considerations

The handling and storage requirements for substances under combustion analysis depend on their chemical nature. Some samples may be hazardous or toxic, and standard guidelines should be followed to ensure safe storage. Analysts should refer to substance-specific Material Safety Data Sheets (MSDS) and ensure regulatory compliance throughout testing procedures.

FAQs of Heat of Combustion:

Q: How is the heat of combustion measured in a laboratory setting?

A: Heat of combustion is commonly measured using a bomb calorimeter or differential scanning calorimeter. The sample is combusted in an oxygen-rich environment at standard conditions (298 K, 1 atm), and the released heat is quantified to determine energy content. Measurements are typically recorded in kJ/mol, kcal/mol, or Btu/lb.

Q: What are the primary applications of heat of combustion data in industry?

A: This property is widely used in the petrochemical industry for fuel evaluation, in materials science for energetic compounds analysis, in power generation to select efficient fuels, and in academic research to understand chemical thermodynamics and energy yields.

Q: When should ASTM D240 or ISO 1928 standards be applied?

A: ASTM D240 and ISO 1928 standards should be followed when determining the calorific value of fuels, particularly liquid or solid petrochemical fuels, ensuring accurate, reproducible, and internationally recognized measurement procedures.

Q: Where can I find tabulated calorific values for common substances?

A: Calorific values are documented in scientific literature, fuel specification sheets, and technical handbooks. Suppliers, traders, and academic sources in India and globally often provide tables summarizing standard heat of combustion values for various materials.

Q: What benefits does measuring heat of combustion offer?

A: Quantifying the heat of combustion provides vital data for energy content optimization, fuel selection, process efficiency, and meeting safety or regulatory requirements in industrial applications.

Q: How does the physical form of a sample affect the combustion measurement process?

A: The samples physical formsolid, liquid, or gasdetermines how it is prepared and introduced into the calorimeter. Sample handling protocols and combustion setups are adjusted accordingly to ensure complete and reliable combustion.

Q: What hazard and safety information should be considered during analysis?

A: Hazards depend on the combustible materials specific composition. Many fuels and chemicals may be flammable, toxic, or reactive, necessitating adherence to MSDS guidelines, proper protective equipment usage, and compliance with regulatory standards during analysis and storage.

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