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
推薦產品
形狀
dispersion
品質等級
濃度
2.5 wt. % (crystalline ZnO in 2-propanol)
顏色
translucent yellowish
粒徑
10-15 nm
密度
0.800 g/mL at 25 °C
一般說明
應用
退火温度 <100°C。
其他說明
后处理：在 80°C-120°C 下对沉积的 ZnO 薄膜进行退火
法律資訊
訊號詞
Danger
危險分類
Aquatic Chronic 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
標靶器官
Central nervous system
儲存類別代碼
3 - Flammable liquids
水污染物質分類（WGK）
WGK 1
閃點（°F）
53.6 °F
閃點（°C）
12 °C
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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?
1 answer-
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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해당 제품의 work function은 어느정도 인가요?
1 answer-
The reported Work Function value for this product is -4.5 eV.
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