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
524653
PBS-TWEEN® Tablets
tablet, 140 mM NaCl, 3 mM KCl, 0.05% TWEEN 20 Detergent, 10 mM phosphate buffer, pH 7.4 at 25°C
Synonym(s):
PBS, Phosphate Buffered Saline-TWEEN® 20 Tablets
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About This Item
Product Name
PBS-TWEEN® Tablets, Dissolve one tablet in 1 liter of deionized water to yield 140 mM NaCl, 3 mM KCl, 0.05% TWEEN 20 Detergent, 10 mM phosphate buffer, pH 7.4 at 25°C. Note: 1 each = 10 tablets.
Quality Segment
form
tablet
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
solubility
deionized water: 1 tablet/liter
shipped in
ambient
storage temp.
15-25°C
General description
Application
Preparation Note
Legal Information
Disclaimer
1 of 1
This Item | |||
|---|---|---|---|
| description Dissolve one tablet in 1 liter of deionized water to yield 140 mM NaCl, 3 mM KCl, 0.05% TWEEN 20 Detergent, 10 mM phosphate buffer, pH 7.4 at 25°C. Note: 1 each = 10 tablets. | description Dissolving one tablet in 500 ml of deionized water yields 150 mM NaCl, 0.05% TWEEN 20 Detergent, 50 mM Tris-HCl buffer, pH 7.6 at 25°C. Supplied in convenient blister packs. Note: 1 each = 10 tablets. | description tablet, To prepare 20 mL | description For General Use |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| form tablet | form - | form tablet | form tablet |
| storage condition OK to freeze | storage condition OK to freeze | storage condition - | storage condition - |
| storage temp. 15-25°C | storage temp. 15-25°C | storage temp. −20°C | storage temp. 2-8°C |
| solubility deionized water: 1 tablet/liter | solubility - | solubility water: 0.25 tablet/mL, clear, colorless | solubility water: 1 tablet/100mL, clear to hazy, colorless |
| shipped in ambient | shipped in ambient | shipped in - | shipped in - |
Storage Class
11 - Combustible Solids
wgk
WGK 3
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How can I determine the shelf life / expiration / retest date of this product?
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Is this product sterile/usable in the context of microbiological analysis ?
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The product is not sterile. No protocol is offered concerning its use in microbiological analyses.
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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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