Xanthan gum | Beverage hydration trial record Project, date, trial operator: Candidate grade, lot and reference lot: Recipe revision, dose and base-water composition: Solids, pH and process temperature: Powder addition sequence and time: Mixing equipment, speed and duration: Hydration temperature and sampling times: Viscosity instrument, spindle or geometry, speed and sample temperature: Time-point readings for candidate and reference: Lumps, entrained air and dispersion observations: Suspension, sediment or separation after storage: Agreed acceptance criteria, observations and next trial: