White Wine Sulfite Test

SKU: 33817-S

$26.25USD or lower Each

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Use Indigo sulfite® test strips to detect free (unbound) sulfite levels from 10 to 500ppm in white wine; only $26.25 per 100 strips.

Test white wine as you would any other liquid and compare to the color chart. See below for some interesting reading about sulfites & why measuring bound sulfite doesn't matter & what levels are allowed in organically certified wines.

Note: the same strip is used for testing red wine & white wine. However, red wine can interfere with the measurement. See Red Wine Related Image page below for instructions.

Details Specs Reviews Related Products
Details

This article on sulphite free wine discusses free versus bound sulfite. Scroll down to: Potentially ‘Dangerous’ sulphites and ‘Safe’ sulphites where is says:

"Sulphites, in tiny amounts are a natural bi-product of the fermentation process – but these are miniscule quantities of ’bound’ sulphites, and harmless to virtually everybody, even sulphite intolerant people."

It goes on to say: When this ‘free’ sulphur combines with another compound or molecule, it undergoes a chemical transformation and becomes ‘bound’ sulphur which is inert, and DOES NOT trigger an allergic reaction in sulphite intolerant people – logical really as it can only react with another molecule once!

This article, Inside Wine: Sulfites is particularly illuminating as to what is permitted in organic wines: Scroll down towards the bottom for: "...1990, at which time sulfite additions were not permitted for organic certification (current regulations allow a maximum of 100 mg/l added sulphites, with no more than 35 mg/l of free sulfites permitted at bottling)."

100 mg/L is the same as 100 ppm which is the middle range of these test strips.

Related information or images
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Red Wine Sulfite Test

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Specifications
  • The number of strips (100) vial is approximate.
  • Minimum shelf life is 3 years is stored properly.
  • Vial has a built in desiccant and if kept tightly closed, strips can be effective up to 5 years.
  • Strips tests sulfite produced from sodium meta bi-sulfite preservatives.

Test Strip Documentation
Stability Statement Certificate of Analysis SDS
Indigo Sulfite Test Strips 0-500ppm Stability Statement Indigo Sulfite Test Strips 0-500ppm Certificate of Analysis Indigo Sulfite Test Strips 0-500ppm SDS
Reviews (2)
2023-10-27

Test strips worked as described, including the red wine citric acid method. I first did some comparisons using sulfites in water. Dipping the strips and the citric acid method gave the same result, albeit a little lower than expected. Solution was mixed to 100 ppm and both strips showed about 75. Used a similar technique on red wine, although dipping does not work. Wine with no sulfites showed zero. Added and got similar readings to the water results. Thanks for the great product and the citric acid trick.

2021-01-22

Great place for a hard to find product. Excellent price! Quick shipping.

— Quality Control
— Indigo:

Thanks for letting us know. This might interest you since you are in quality control: Can 10ppm of Sulfite & Quat Really Mean Zero?

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