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
B4895
Buffer, reference standard
pH 10.00±0.01 (25 °C)
Synonym(s):
pH calibration solution at 25 °C pH 10.00±0.01
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 500 mL | Check Cart for Availability | CLP 46,300 | |
| 6 x 500 mL | Check Cart for Availability | CLP 218,000 |
About This Item
Application
Features and Benefits
- Traceable to standard reference materials from NIST
- A ready-to-use solution available in different packaging to offer ease-of-use
Packaging
Analysis Note
1 of 1
This Item | ||
|---|---|---|
| form liquid | form liquid | form liquid |
| Quality Level 100 | Quality Level 100 | Quality Level 100 |
| storage temp. 15-25°C | storage temp. 15-25°C | storage temp. - |
| pH 10.00±0.01 (25 °C) | pH 4.00±0.01 (25 °C) | pH 7.00±0.01 (25 °C) |
| color color-coded blue | color color-coded red | color color-coded yellow |
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Storage Class
12 - Non Combustible Liquids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Protocols
Objective: To standardize a procedure for the enzymatic assay of Carbonic Anhydrase (EC 4.2.1.1) for Wilbur-Anderson Units.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| B4895-500ML | 04061833433539 |
| B4895-1GA | 04061837901515 |
| B4895-6X500ML | 04061837901539 |
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How can I determine the shelf life / expiration / retest date of this product?
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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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