📐 Scope and Test Summary ASTM D2087‑22 provides a standardized procedure for determining the total iron content in formaldehyde solutions. This quantitative analysis is essential for evaluating the purity of formaldehyde, which is widely used as a chemical intermediate and…

📐 Scope and Composition Requirements This specification, ASTM D209‑81 (Reapproved 2023), covers the pigment commercially known as lampblack. The pigment is made by burning oils or tars to form a deposit of carbon (soot). It must be high grade and…

🧪 Overview and Significance This standard, ASTM D2085-89, specifies the lime ignition method for determining chloride in pentachlorophenol (PCP) treating solutions and treated wood. This chloride measurement is used to calculate PCP concentration. The method is applicable for up to…

ASTM D2086-22 is the industry standard test method for determining the total acidity, expressed as acetic acid, in refined vinyl acetate and acetaldehyde. This titration-based method, conducted under carefully controlled conditions, provides a reliable means for quality assurance and verification…

📐 Understanding the Calculation Method for Fatty Amines ASTM D2083-92 provides a standardized computational approach for determining the percentages of primary, secondary, and tertiary amines in fatty amine samples. This method is specifically designed for materials containing only fatty primary…

⚙️ Overview of the Oscillating Disk Cure Meter Method ASTM D2084-19, formally designated as the “Standard Test Method for Rubber Property—Vulcanization Using Oscillating Disk Cure Meter,” is the internationally recognized standard for determining the vulcanization characteristics of rubber compounds. Originally…

This standard, jointly developed by ASTM and the American Oil Chemists’ Society (AOCS), establishes a procedure for determining the pH of fatty quaternary ammonium chlorides through the preparation and measurement of a 5% solution. 🧪 Reagents and Equipment Specifications The…

ASTM D2082 – 92 (Reapproved 1998), also known as the Standard Test Method for Percent of Non-Amines in Fatty Nitrogen Compounds, defines a precise ion-exchange chromatographic procedure for determining non-amine components in fatty amines and diamines. This joint ASTM and…

🧪 Overview, Scope, and Summary of ASTM D2079-92 ASTM D2079-92 (Reapproved 1998) provides a standardized procedure for the quantitation of nonvolatile matter, commonly referred to as solids, in fatty quaternary ammonium chlorides. These quaternary ammonium compounds are widely used in…

📖 Scope and Overview This test method, designated D2080-92, provides a procedure for determining the average molecular weight of fatty quaternary ammonium chlorides. The method involves converting the sample to an acetate form, performing a potentiometric titration, and applying corrections…

The ASTM D2076-92 (Reapproved 1998) standard, jointly developed with the American Oil Chemists’ Society (AOCS), provides definitive test methods for determining the acid value and amine value in fatty quaternary ammonium chlorides. These parameters are crucial for quality control, assessing…

🔬 Overview and Scope This standard, designated D 2077 – 92 (Reapproved 1998), specifies a test method for determining the ash content in fatty quaternary ammonium chlorides. The ash is defined as the nonvolatile matter remaining after the specimen is…

📜 Scope and Significance of ASTM D2078 ASTM D2078-86 (Reapproved 1995) specifies the standard Wijs procedure for determining the iodine value of fatty quaternary ammonium chlorides. This value quantitatively measures the unsaturation (carbon-carbon double bonds) in the alkyl groups, expressed…

📐 Scope and Definitions These test methods, designated D2074-07 (Reapproved 2019), cover the indicator procedure for determining the total, primary, secondary, and tertiary amine values of fatty amines. They are not applicable to fatty amidoamines and fatty diamines. The values…

🧪 Test Overview and Significance This test method covers the determination of the iodine value of fatty amines, amidoamines, and diamines using the Wijs procedure. The iodine value is a measure of unsaturation in the alkyl group, expressed as percent…

ASTM D2072-92 (Reapproved 1998) defines the standard procedure for determining water content in fatty nitrogen compounds using a Karl Fischer back-titration method. Developed jointly by ASTM and the American Oil Chemists’ Society, this test method is critical for verifying the…

🧪 Significance and Scope of D2073-92 ASTM D2073-92, jointly developed by ASTM and the American Oil Chemists’ Society (AOCS), provides referee test methods for the potentiometric determination of amine values in fatty amines, diamines, and amidoamines. These values are critical…