If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
1.16127
Lactic Acid Test Strips, reflectometric
3.0-60.0 mg/L (lactic acid), REFLECTOQUANT®, for use with RQflex® 20
Synonym(s):
Lactic Acid chemical test strips, Lactic Acid test strip for instrument reader
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$318.00
About This Item
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Product Name
Lactic Acid Test, reflectometric, 3.0-60.0 mg/L (lactic acid), for use with REFLECTOQUANT®
description
quantitative
Quality Level
specific analyte(s)
lactic acid
reaction suitability
reaction type: enzymatic reaction
measuring range
3.0-60.0 mg/L (lactic acid)
application(s)
beverage testing
food testing
milk and dairy products
compatibility
RQflex® 20
for use with REFLECTOQUANT®
detection method
reflectometric
storage temp.
2-8°C
1 of 3
This Item | 1.16128 | 1.16125 |
|---|---|---|
| specific analyte(s) lactic acid | specific analyte(s) malic acid | specific analyte(s) calcium |
| detection method reflectometric | detection method reflectometric | detection method reflectometric |
| compatibility RQflex® 20, for use with REFLECTOQUANT® | compatibility RQflex® 20, for use with REFLECTOQUANT® | compatibility RQflex® 20, for use with REFLECTOQUANT® |
| reaction suitability reaction type: enzymatic reaction | reaction suitability reaction type: enzymatic reaction | reaction suitability - |
| description quantitative | description quantitative | description quantitative |
| measuring range 3.0-60.0 mg/L (lactic acid) | measuring range 5.0-60.0 mg/L (malic acid) | measuring range 5-125 mg/L (Ca) |
General description
Analysis Note
Assay
- standard 1:
4.5 - 5.5 mg/l
- standard 2: 22.5 - 27.5 mg/l
- standard 3: 45.0 - 55.0 mg/l
Legal Information
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Protocols
Quick and accurate analysis of D- and L-lactic acid in dairy products using Reflectoquant® Lactic Acid Test upon reaction with lactate dehydrogenase (LDH).
Rapid analysis of DL-lactic acid in vegan yogurt using the Reflectoquant® Lactic Acid Test, and enzymatic reaction with Lactate Dehydrogenase (LDH).
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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