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
Fortfahren mit
S2004
Stärke aus Kartoffeln
Soluble
Größe auswählen
| Packungsgröße | SKU | Verfügbarkeit | Preis |
|---|---|---|---|
| 500 g | Warenkorb auf Verfügbarkeit prüfen | € 91,60 | |
| 1 kg | Warenkorb auf Verfügbarkeit prüfen | € 115,00 |
Über diesen Artikel
biological source
potato
Quality Segment
form
powder
color
white
useful pH range
5.0-7.5 (2% in water)
storage temp.
room temp
General description
Application
Other Notes
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| biological source potato | biological source potato | biological source corn | biological source - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| form powder | form powder | form solid | form - |
| storage temp. room temp | storage temp. room temp | storage temp. room temp | storage temp. 2-8°C |
| useful pH range 5.0-7.5 (2% in water) | useful pH range - | useful pH range 4.0 -7.0 | useful pH range - |
| color white | color white to off-white | color white | color - |
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Lagerklasse
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Protokolle
Follow our procedure for the determination of alpha-Amylase activity. This enzymatic assay of a-Amylase guides you through the entire process and necessary calculations.
To measure pectinase activity, a titrimetric stop reaction assay is used. One unit of pectinase will liberate 1 μmol of galacturonic acid from poly-galacturonic acid per hour at pH 4.0 at 25 °C.
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Verwandter Inhalt
This procedure may be used for the determination of Amyloglucosidase activity using starch as the substrate.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| S2004-100G | 04061835367696 |
| S2004-1KG | 04061835367702 |
| S2004-500G | 04061835367719 |
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How can I determine the shelf life / expiration / retest date of this product?
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Is S2004 soluble starch native or modified?
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This starch product is purified from Potato. The product has not been intentionally modified. Any modifications that may have occurred during the extraction and purification process have not been investigated.
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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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Hello, what is the amylose and amylopectin ratio for the s2004 "Starch from Potato"?
1 answer-
The ratio of amylose and amylopectin is not determined for this product.
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What is the apparent amylose content in soluble potato starch?
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The amylose content of this product is not determined.
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What concentration of Product S2004, soluble starch, would I use for a 50% inhibition with α mannoside?
1 answer-
50% inhibition is observed at 10 - 25 ng/ml per Australian Journal of Chemistry v. 32, 2257 (1979).
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Is Product S2004, soluble starch, suitable for alpha-Amylase detection?
1 answer-
We have not found S2004 to be suitable for this application.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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