Single barrel bourbons represent some of the most character-rich expressions in American whiskey, making precise bourbon proof testing essential. However, their complexity—arising from aging, barrel variation, and minimal filtration—presents unique challenges in measuring alcohol content (%ABV v/v) accurately. To address this, the paper examines the regulatory framework set by the U.S. Alcohol and Tobacco Tax […]
ASTM Petroleum Testing – 14 Years of Rudolph Participation
How Rudolph participates in ASTM Petroleum Testing Programs. ASTM International | ASTM, established in 1902, is a globally recognized organization with more than 30,000 members. ASTM is known for its work in petroleum testing. It also develops and maintains over 12,500 active testing standards used to measure materials, products, and systems. These standards support a […]
Meeting USP Chapter 831 – Temperate Validation requirements for Refractometers.
Download a PDF of this Whitepaper Temperature validation for refractometers is crucial to ensure temperature accuracy in pharmaceutical validation according to the latest release of USP Chapter 831. Here’s why it’s important: Accuracy of Refractive Index Measurements: Refractive index is a temperature sensitive property, and even small temperature variations can impact the Refractive Index measurement […]
Craft Spirits Vol 8 September
UNDERSTANDING PROOFING AND GAUGING Navigating U.S. regulations and methods for determining alcoholic strength.BY TYLER DERHEIM Before we dive into the topic of proofing and gauging, it’s useful to establish some background and definitions; while they may be familiar to you as experienced distillers, these will form the vocabulary for this article. These definitions and regulations […]
Rudolph Acquires Octapol®
Rudolph Acquires Octapol® from Baddley Chemicals for an Exciting New Synergy Baddley Chemicals Inc. has been an innovator and key supplier to the sugar industry since 1998. After recognizing a new solution was needed to replace sugar reagents that contained toxic Lead Subacetate, Dr. Bill Baddley embarked on finding a suitable solution for safely clarifying […]
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