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
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MAK168
Pyrophosphate Assay Kit
sufficient for 200 fluorometric tests (Blue fluorescence)
Synonim(y):
High-Sensitivity Pyrophosphate Assay Kit
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Informacje o tej pozycji
usage
sufficient for 200 fluorometric tests (Blue fluorescence)
application(s)
cosmetics
food and beverages
detection method
fluorometric
storage temp.
−20°C
General description
Application
Biochem/physiol Actions
1 of 1
Ta pozycja | |||
|---|---|---|---|
| description sufficient for 200 fluorometric tests (Blue fluorescence) | description sufficient for 200 fluorometric tests | description sufficient for 180 colorimetric tests | description sufficient for 100 colorimetric or fluorometric tests |
| usage sufficient for 200 fluorometric tests (Blue fluorescence) | usage sufficient for 200 fluorometric tests | usage sufficient for 180 colorimetric tests | usage sufficient for 100 colorimetric or fluorometric tests |
| detection method fluorometric | detection method fluorometric | detection method colorimetric | detection method colorimetric, fluorometric |
| storage temp. −20°C | storage temp. −20°C | storage temp. 2-8°C | storage temp. −20°C |
| application(s) cosmetics | application(s) cosmetics | application(s) - | application(s) cosmetics |
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1
Klasa składowania
10 - Combustible liquids
wgk
WGK 3
flash_point_f
188.6 °F
flash_point_c
87 °C
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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Any challenges encountered with decreases in fluorescence due to buffer components in the assays, such as manganese (1 mM), DTT (5 mM), and the combination of manganese with a reducing agent (both BME and DTT)? It seems that the signal is significantly reduced, if not entirely abolished, when these components are included in the buffer, even with substantial amounts of the PPi standard.
1 answer-
Considering the significant quenching of fluorescence by manganese (Mn), it is not suitable for the assay. Instead, the use of MgCl2 (up to 1 mM) is suggested as it offers less interference. Additionally, DTT can be used up to 1 mM.
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