ASTM D1065-18(2022) PDF

Overview

ASTM D1065-18(2022): Standard Test Method for Unsaponifiable Matter in Pine Chemicals, Including Rosin, Tall Oil, and Related Products is a key international standard published by ASTM International. The method provides a reliable procedure to determine the percentage of unsaponifiable matter in pine chemical products, such as rosin, tall oil, and related derivatives. Unsaponifiable matter, primarily composed of nonacidic substances like higher alcohols, sterols, and hydrocarbons, plays an essential role in characterizing the quality and composition of these materials, widely used in the chemical, adhesives, and coatings industries.

This updated version broadens the applicability of the method to include tall oil and tall oil–derived products. The standard is developed in accordance with globally recognized principles for international standards, ensuring broad relevance and acceptance.

Key Topics

• Scope of Application: The standard covers determination of unsaponifiable matter in a wide range of pine chemicals, as defined in ASTM Terminology D804. It applies to products such as rosin and tall oil, with guidelines on sampling and preparation to ensure representative analysis.
• Significance of Unsaponifiable Matter: Quantifying unsaponifiable substances helps to assess the purity and functional performance of pine chemicals. This is crucial for process control, quality assurance, and market differentiation.
• Testing Limitations: Notably, the method may not be suitable for gum rosin containing volatile terpenes, as these components may be lost during drying. The method is, however, applicable to tall oil rosin and wood rosin.
• Standardized Units and Safety: Results are reported in SI units (percentage by weight). The standard emphasizes the user’s responsibility to adhere to safety, health, and environmental guidelines applicable to the processes and chemicals involved.

Applications

ASTM D1065-18(2022) is essential for various stakeholders in the pine chemicals sector:

• Producers and Refiners: Ensures accurate characterization of rosin, tall oil, and related products during production, blending, and refining processes.
• Quality Control Laboratories: Provides a consistent method for routine quality assurance and specification compliance testing.
• Product Development: Assists technical teams in evaluating new pine chemical formulations or modifications where the unsaponifiable matter may affect product performance.
• Trade and Procurement: Facilitates comparison of products from different suppliers, supporting procurement decisions and contract specifications.
• Regulatory Compliance: Aids in demonstrating conformity to industry and international requirements, enhancing market access and minimizing trade barriers.

Related Standards

Professionals using ASTM D1065-18(2022) may also reference several complementary ASTM standards:

• ASTM D803 - Test Methods for Testing Tall Oil
• ASTM D804 - Terminology Relating to Pine Chemicals, Including Tall Oil and Related Products
• ASTM D509 - Test Methods of Sampling and Grading Rosin
• ASTM E177 - Practice for Use of the Terms Precision and Bias in ASTM Test Methods
• ASTM E691 - Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

Consult these related standards for terminologies, sampling practices, and broader context in analytical testing of pine chemicals.

Keywords: ASTM D1065, unsaponifiable matter, pine chemicals, rosin, tall oil, standard test method, quality control, chemical characterization, pine chemical standards, ASTM International