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/449/386/product-dating-information-mk.pdf
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物質
Tedlar® PVDF film
認証
suitable for ASTM® D5504 (Sulfur Compounds in Natural Gas and Fuels by GC)
suitable for EPA 18 (Gaseous Organic Compounds; VOCs by GC)
suitable for EPA 40,TO-3,TO-15 (Volatile Organic Compounds (VOCs))
suitable for EPA TO-12 (Non-Methane Organic Compounds (NMOC))
suitable for EPA TO-14A (Volatile Organic Compounds (VOCs) by GC/MS)
suitable for NIOSH 3704 (Perchloroethylene)
詳細
septum type: yes; Thermogreen® LB-2
包装
pkg of 10 bags
テクニック
whole air sampling: suitable
W × L
7 in. × 9 in.
最大容量
1 L
アプリケーション
air monitoring
environmental
industrial hygiene
適合性
for use with Calibration mixes - gas phase standards/gas mixtures
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アプリケーション
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関連コンテンツ
空気のモニタリングによって環境中、工場内または室内の空気汚染物質の濃度を測定し、健康機関と規制機関が確立した基準と比較して空気の清浄度を評価します。
Air monitoring is used to measure the level of air pollutants in environmental, industrial, or indoor settings to assess the air quality per standards established by health and regulatory agencies.
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How can I determine the shelf life / expiration / retest date of this product?
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役に立ちましたか？
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 回答-
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
役に立ちましたか？
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About TedlarGasSamplingBag(1L), do you have appropriate PVC tube (3/16" ID) or any kind of tube to connect the bag to sampling point? General one is very slightly wider than nozzle on it.
1 回答-
The PVC laboratory tubing that has an (I.D.) of 3/16" is Product Z280364-1PAK. However, it must be noted that the polypropylene valve stem is 3/16" in outside diameter (O.D.) which means that the recommended tubing must have 1/4" (I.D.) which is Product Z280372-1PAK.
役に立ちましたか？
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For 24633 product, what is the maximum temperature and pressure the bag can withstand? and is it in transparent form?
1 回答-
Tedlar® films are rated for continuous use from -72°C to 107°C (-98°F to 225°F). This Tedlar® PVDF film is transparent. The Tedlar film has a tensile strength of 8000 psi while the recommended fill pressure is 17.7 psi. The maximum fill volume should be limited to 75 - 80 % to allow for pressure changes.
役に立ちましたか？
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Is there any recommendation regarding how often the septum can be pierced with a needle for removal of gas, until the septum loses its integrity?
1 回答-
The septum is located at the base flange of the valve with the bag film below. The septum does not come into contact with the sample. The septum allows repeated punctures with syringes without leakage. The number of times the fluoropolymer septum may be punctured before it loses its integrity had not been determined. A small guage needle should assure maximum life of the septum.
役に立ちましたか？
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How full can I fill a Tedlar bag, Product 24633, Tedlar® Gas Sampling Bag?
1 回答-
Flush the Tedlar bag several times with nitrogen prior to use. We recommend filling the bag to approximately 80% of capacity.
役に立ちましたか？
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What is Tedlar, as used in the description of Product 24633, Tedlar® Gas Sampling Bag?
1 回答-
Tedlar is a polyvinyl fluoride (PVF) film manufactured by DuPont that has excellent resistance to chemicals.
役に立ちましたか？
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What is the Department of Transportation shipping information for this product?
1 回答-
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.
役に立ちましたか？
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What size of tubing can I use with Product 24633, Tedlar® Gas Sampling Bag?
1 回答-
The polypropylene valve stem is 3/16 inch outside diameter (o.d.) making it suitable for use with most 1/4 inch o.d. tubing.
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