A test portion is weighed and then heated in a forced-draft oven at 98–100°C for 4 hours. After cooling in a desiccator, the residue is weighed. The total solids percentage is calculated as (dry weight / initial sample weight) × 100.
The method is validated only for bovine milk products. For soy, almond, or oat beverages, it may be used as a reference but internal validation is required. aoac 992.15 pdf
The AOAC 992.15 method is published in the AOAC Official Methods of Analysis (OMA) book and is available in PDF format. You can obtain a copy of the method from: A test portion is weighed and then heated
This method is applicable to:
Place 15–20 g of sand and a glass rod in an aluminum or stainless steel dish. Dry at 100±2°C for 1 hour. Cool in desiccator. Weigh. The method is validated only for bovine milk products
This article is for informational purposes. Always refer to the full, current AOAC 992.15 official method for laboratory implementation.