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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材料
aluminum support
silica gel 60 matrix
品質等級
特點
binder Organic Polymer
fluorescent indicator
包裝
pkg of 25 sheets
技術
thin layer chromatography (TLC): suitable
層厚度
200 μm
薄片長度 × 寬度
20 cm × 20 cm
粒徑
10-12 μm
孔徑
60 Å medium pore diameter
儲存溫度
2-30°C
一般說明
應用
聯結
分析報告
孔体积（N₂-等温线）：0.74 - 0.84 ml/g
d 50（激光衍射，尺寸分布）：9.7 - 11.7 µm
层厚度：175 - 225 µm
每块板的层厚度偏差： ≤ 30 µm
A）颜色检查
Bleu VIF Organol：11 - 25
Ceres black：34 - 48
Ceres violet BRN：52 - 67
分离号： ≥ 10.5
B）类固醇检测
氢化可的松：25 - 37
Reichstein S：37 - 49
甲睾酮：42 - 54
在条件性纸上确定的典型值
洗脱剂A）甲苯（45%相对湿度）
洗脱剂B）乙酸乙酯/甲苯（95/5 v/v；20%相对湿度）
儲存類別代碼
11 - Combustible Solids
商品
Thin Layer Chromatography Troubleshooting: This article details TLC tips and tricks that one must consider while performing different steps of the technique.
HPTLC plates provide superior separation, speed, and sensitivity, making them ideal for advanced qualitative and quantitative analysis.
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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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
Helpful?
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What does the number 60 mean?
1 answer-
The number "60" in silica gel 60 refers to the 60 Å average pore diameter in the stationary phase.
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