The reference is part of the answer, not the whole answer.

Standard Test Method for Use of Handheld Refractometers for the Determination of the Freeze Point and % Glycol of Aqueous Engine Coolants

Ethylene or propylene glycol coolants used in cooling systems; approximate freeze point and glycol percentage by portable refractometer.

Rapid PG and water concentration and approximate freeze-point screening using the correct propylene-glycol scale. This is an approximate check, not a complete coolant-condition result.

Standard Test Method for Freezing Point of Aqueous Engine Coolants

Aqueous engine-coolant solutions; laboratory freezing-point determination.

Laboratory freeze-point measurement for a named PG and water coolant after confirming that the method is suitable for the product and application.

Standard Test Method for Relative Density of Engine Coolant Concentrates and Engine Coolants By The Hydrometer

Glycols, glycerin, heat-transfer fluids, engine-coolant concentrates and aqueous engine coolants.

Temperature-controlled relative-density consistency check. Estimate concentration only when glycol type and the product-specific density relationship are established.

Standard Test Method for pH of Engine Coolants and Antirusts

Unused engine coolants, insulation and heat-transfer fluids, antirusts, and used or unused aqueous dilutions of concentrated products.

pH measurement for the named aqueous coolant, trended against the correct product baseline. Do not use pH alone to infer corrosion protection or remaining life.

Standard Test Methods for Reserve Alkalinity of Engine Coolants and Antirusts

New unused engine coolants and liquid antirusts, used or unused aqueous dilutions of concentrates, and aqueous dilutions of solid antirusts.

Reserve-alkalinity titration only where the named product and documented applicability review support it. It is not a direct measure of corrosion protection or remaining life.

Standard Test Method for Analysis of Engine Coolant for Chloride and Other Anions by Ion Chromatography

New and used engine coolant; chloride and other common anions by high-performance ion chromatography.

Targeted chloride and anion measurement for a named formulation after documenting suitability, calibration range and interference checks.

Standard Test Method for Determination of Fluoride and Glycol Degradation Products in Engine Coolants by Ion Chromatography

New and used engine coolants; fluoride and selected glycol-degradation carboxylates by ion chromatography.

Fluoride and selected degradation-product measurement only where product chemistry, analyte list, calibration and method suitability are documented.

Standard Test Method for Analysis of Engine Coolant for Organic Additives by High Performance Liquid Chromatograph

New and used engine coolant; azoles and organic acids by HPLC.

Selected inhibitor and additive assay after confirming analyte identity, calibration range, preparation and suitability for the named coolant.

Standard Test Method for Determination of Silicon and Other Elements in Engine Coolant by Inductively Coupled Plasma-Atomic Emission Spectroscopy

New and used engine coolant; silicon and other dissolved or dispersed elements by ICP-AES.

Elemental screening with a validated preparation and calibration route and an element list tied to the formulation and wetted materials. The method does not separate dissolved from particulate material.

Standard Practice for General Techniques for Obtaining Infrared Spectra for Qualitative Analysis

Qualitative infrared spectra of liquid, solid and vapor samples, principally from 4000 to 50 cm⁻¹, where sample amount is not limiting.

General acquisition practice supporting matched-reference qualitative FTIR comparison. It is not a product-identification method, quantitative assay or pass/fail specification.

Standard Test Method for Thermal Conductivity, Thermal Diffusivity, and Volumetric Heat Capacity of Engine Coolants and Related Fluids by Transient Hot Wire Liquid Thermal Conductivity Method

Aqueous and non-aqueous engine coolants and related fluids within the method's stated conductivity, temperature, vapor-pressure and platinum-compatibility limits.

Measures thermal conductivity and diffusivity and calculates volumetric heat capacity under declared temperature and method conditions after confirming the sample falls within the published limits.

Standard Test Method for Corrosion Test for Heat Transfer Fluids in Glassware

Beaker-type evaluation of heat-transfer fluids designed for HVAC systems against metal specimens under controlled laboratory conditions.

Qualification or investigation using a separately documented procedure based on ASTM D8040 and modified where applicable under OCP guidance. Every coupon and procedure deviation must be declared.

Standard Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity)

Transparent and opaque liquid petroleum products and crude oils with predominantly Newtonian flow; concurrent dynamic-viscosity and density measurement with calculated kinematic viscosity.

Measures dynamic viscosity and density and calculates kinematic viscosity. A non-petroleum dielectric fluid requires product-specific suitability and precision review, with any modification declared.

Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter

Petroleum distillates and viscous oils that remain liquid at the test temperature, within the method's vapor-pressure and viscosity constraints.

Measures density or relative density. A non-petroleum dielectric fluid requires product-specific suitability and precision review, with any modification declared.

Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration

Acidic constituents in petroleum products, lubricants, biodiesel and biodiesel blends using the applicable procedure.

Tracks acidic constituents and oxidation-related change in products within the published scope. Other fluids require a declared suitability review.

Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)

Visual ASTM Color determination for petroleum products; dyed products require a separate suitability decision.

Provides a controlled colour result for products within the published scope. Other fluids require a declared suitability review.

Insulating liquids - Determination of the breakdown voltage at power frequency - Test method

Unused and in-service insulating liquids with nominal viscosity up to 350 mm²/s at 40 °C.

Measures dielectric breakdown voltage at power frequency using the specified procedure and electrode system.

Standard Test Method for Specific Resistance (Resistivity) of Electrical Insulating Liquids

New, in-service and post-service electrical insulating liquids in cables, transformers, circuit breakers and other electrical apparatus; DC resistivity.

Supports electrical-condition assessment for applicable insulating liquids under controlled test conditions.

Method of sampling insulating liquids

Mineral and non-mineral insulating liquids in delivery containers and electrical equipment, with viscosity below 1,500 mm²/s at the sampling temperature.

Defines representative sampling procedures for mineral and non-mineral insulating liquids.

Oil-filled electrical equipment - Sampling of free gases and analysis of free and dissolved gases in mineral oils and other insulating liquids - Guidance

Sampling free gas from gas-collecting relays, extracting dissolved gases from insulating liquid, and quantitative gas analysis. Equipment-liquid sampling is covered by IEC 60475.

Covers free-gas sampling, gas extraction and quantitative analysis. Use IEC 60475 for representative sampling of the liquid from equipment.

Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis

In-service equipment filled with mineral insulating oil and cellulosic paper or pressboard insulation; use for other liquid-solid systems requires caution and engineering judgment.

Guides engineering interpretation of free and dissolved gas results. It is guidance, not a laboratory test method.

Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration

Insulating liquids and oil-impregnated cellulosic insulation.

Determines water in oil-impregnated cellulosic insulation and insulating liquids using Karl Fischer methods.

Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration

Unused and used electrical mineral insulating oils; acidity does not predict service corrosiveness.

Determines acidity in unused and used mineral insulating oils. Acidity alone does not predict corrosiveness.

Insulating liquids - Methods for counting and sizing particles

Used and unused insulating liquids; particle concentration and size distribution by automatic light-interruption counting or specified microscopy methods.

Supports particulate contamination assessment in insulating liquids using the specified counting approach.

Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)

Transparent and opaque liquid petroleum products with primarily Newtonian flow behavior.

Kinematic viscosity for petroleum-based equipment oils within the method's behavior and range constraints. Other lubricant chemistries require documented suitability.

Standard Test Method for Multielement Determination of Used and Unused Lubricating Oils and Base Oils by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)

Additive elements, wear metals and contaminants in used and unused lubricating oils and base oils, plus selected elements in virgin and re-refined base oils.

Measures selected additive, wear and contaminant elements. Oil-soluble calibration does not quantitatively capture insoluble particles and may under-read particles larger than a few micrometres.

Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer Titration

Direct or indirect coulometric water determination in petroleum products and hydrocarbons, including additives, lubricating oils, base oils, transmission fluids and hydrocarbon solvents; known chemical interferences apply.

Quantifies water in suitable petroleum and lubricant fluids after accounting for known chemical interferences.

Standard Practice for Set-Up and Operation of Fourier Transform Infrared (FT-IR) Spectrometers for In-Service Oil Condition Monitoring

FT-IR instrument setup, spectrum acquisition and noise control for direct or differential trending of in-service oils.

Defines instrument setup and spectral acquisition for condition-monitoring methods applied to in-service oils.

Standard Test Method for Condition Monitoring of Oxidation in In-Service Petroleum and Hydrocarbon Based Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry

Oxidation trending in in-service petroleum and hydrocarbon lubricants; excludes polyol-ester, phosphate-ester and other ester-based oils.

Tracks oxidation-related spectral change in petroleum and hydrocarbon lubricants. The method excludes ester-based oils, including polyol and phosphate esters.

Standard Test Method for Automatic Particle Counting of Lubricating and Hydraulic Fluids Using Dilution Techniques to Eliminate the Contribution of Water and Interfering Soft Particles by Light Extinction

New and in-service lubrication and hydraulic oils up to 1,000 mm²/s at 40 °C, with a 4 to 200 µm(c) range, where the diluted sample remains suitable for light-extinction analysis.

Counts particles while suppressing water and soft-particle interference. Viscosity, opacity and particle range must remain within the published limits.

Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles

Code for the quantity of solid particles in fluid used in a hydraulic fluid-power system.

Provides a code for reporting solid-particle contamination. It does not count particles; use for other oils only by an agreed reporting convention.