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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About This Item
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描述
for inorganic trace analysis
质量水平
方案
≥99.95% trace metals basis
99.7-100.5% dry basis
表单
solid
杂质
≤0.003% S compounds
≤0.01% insolubles
<500 ppm total metallic impurities (excluding Na)
溶解性
water: soluble 362 g/L at 25 °C
痕量阴离子
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤5 ppm
痕量阳离子
NH4+: ≤5 ppm
Na: ≤0.03%
heavy metals: ≤5 ppm
SMILES字符串
[K+].OC([O-])=O
InChI
1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
InChI key
TYJJADVDDVDEDZ-UHFFFAOYSA-M
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储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
其他客户在看
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How can I determine the shelf life / expiration / retest date of this product?
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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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