If your Vintessential™ test kit is accidentally left out during delivery or exposed to warm conditions, is it still usable?
All Vintessential™ enzymes are stability-tested and rated to 37°C for up to five days. Short-term exposure to heat does not automatically mean the kit is compromised.
If your standard result is within ±10% of the certified value, the kit is performing correctly.
However, signs of potential damage may include:
In these cases, contact your local Vintessential™ or WineChek supplier for guidance.
Your standard is the ultimate performance indicator — verifying both kit integrity and analytical technique.
This transcript has been lightly edited for readability and to correct obvious automatic-caption errors. Product and method information should be checked against current Vintessential documents before use.
0:00 Deliveries can sometimes arrive without laboratory staff being notified. If a test kit is left outside or exposed to the sun, will that affect it?
0:17 Vintessential enzymes are stability-tested and rated to remain stable at 37 degrees Celsius for five days.
0:26 Run the quality-control standard to assess the performance of the kit. If the kit has been exposed for a prolonged period, particulate or aggregated material may be visible. In that situation, the kit may not be suitable for use.
0:50 Contact a local WineChek laboratory or Vintessential supplier for advice. If the standard produces the correct result, this indicates that the kit is performing correctly.
1:04 The standard helps assess both kit performance and analyst performance. Standards are included with the benchtop spectroscopy kits used with Absorbance One, and additional standards are available separately.
