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
C3041
Carbonate-Bicarbonate Buffer
capsule
Sinónimos:
Carbonate Buffer Solution
Seleccione un Tamaño
$251.000
$445.000
Acerca de este artículo
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form
capsule
color
colorless
pH
9.3-9.9
solubility
water, high purity: 1 capsule/100 mL
application(s)
diagnostic assay manufacturing
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Este artículo | 88975 | T7408 | S5761 |
|---|---|---|---|
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 300 |
| application(s) diagnostic assay manufacturing | application(s) - | application(s) diagnostic assay manufacturing | application(s) - |
| form capsule | form liquid | form liquid | form powder |
| pH 9.3-9.9 | pH 9.5±0.2 | pH 8.5±0.1 | pH 6.8-7.4 |
| solubility water, high purity: 1 capsule/100 mL | solubility - | solubility - | solubility water: soluble 100 mg/mL |
General description
Application
Preparation Note
related product
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Clase de almacenamiento
13 - Non Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Protocolos
Detailed ELISA protocols cover indirect and capture ELISA techniques, recommending products for sandwich and indirect ELISA experiments.
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How can I determine the shelf life / expiration / retest date of this product?
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純粋に溶解した場合、カプセル自体も溶解しますか。
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The capsules are not intended to be dissolved. After opening each capsule, the contents should be added to the appropriate volume of deionized water while stirring. The contents of one capsule is sufficient to prepare 100 mL of 0.05 M carbonate-bicarbonate buffer, pH 9.6. This buffer is comprised of 15 mM in sodium carbonate and 35 mM sodium bicarbonate.
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If I make a solution and there are reagents left, how long can it be stored? What should I do with the storage conditions?
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Unfortunately, the long term stability of the prepared solution has not been determined. However, prepared solutions are expected to be quite stable. Similar Sodium Carbonate/Bicarbonate 20X solutions are assigned a 2 year shelf life. Provided that solutions are stored refrigerated and not contaminated, a comparable shelf life is expected. Solutions should be observed for any changes in color and turbidity. Please see the link below to review the prepared 20X Concentrate product options:
https://www.sigmaaldrich.com/substance/sodiumbicarbonatesodiumcarbonateconcentrate1234598765Helpful?
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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
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