The pH test strips are designed for testing and verifying the pH of pretreated samples. These strips are not specifically intended for determining nitrites in dried meat. To use the pH test strips for testing human gastric contents, ensure that the sample matrix is clear or free of turbid solids.
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Product Name
pH-indicator strips pH 0 - 6.0, non-bleeding, colorimetric, pH range 0-6.0, graduations and accuracy accuracy: 0.5 pH unit, MQuant®
product line
MQuant®
feature
non-bleeding
graduations and accuracy measuring range
accuracy: 0.5 pH unit
pH range
0-6.0
application(s)
agriculture
beverage testing
disinfection control
food testing
wastewater
water monitoring
detection method
colorimetric
storage temp.
2-30°C
Quality Level
1 of 4
This Item | |||
|---|---|---|---|
| detection method colorimetric | detection method colorimetric | detection method colorimetric | detection method colorimetric |
| feature non-bleeding | feature non-bleeding | feature non-bleeding | feature non-bleeding |
| product line MQuant® | product line MQuant® | product line MQuant® | product line MQuant® |
| graduations and accuracy measuring range accuracy: 0.5 pH unit | graduations and accuracy measuring range accuracy: 1 pH unit | graduations and accuracy measuring range accuracy: 0.5 pH unit | graduations and accuracy measuring range - |
| pH range 0-6.0 | pH range 2.0-9.0 | pH range 5.0-10.0 | pH range 4.0-7.0 |
| storage temp. 2-30°C | storage temp. 2-30°C | storage temp. 2-30°C | storage temp. 2-30°C |
General description
Other Notes
Legal Information
Storage Class
11 - Combustible Solids
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Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Protocols
Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction
分光光度法用二丙基对苯二胺(DPD)测定饮用水、游泳池水、废水和消毒液中0.020 – 10.00 mg/L范围内的溴。
Spectrophotometric determination of bromine with dipropyl-p-phenylenediamine (DPD) in drinking water, swimming-pool water, wastewater, and disinfection solutions in a range of 0.020 – 10.00 mg/L.
Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction
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This Application note indicate this product is meant for testing meat nitrites. I’m not sure if these strips could be testing on human gastric contents. Can you confirm?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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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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