This product is assigned an expiration date of 5 years from the date of Quality Release. The expiration date can be found on the lot specific Certificate of Analysis. Please see the link below to access a sample or lot specific Certificate:
https://www.sigmaaldrich.com/product/sial/71387#product-documentation
推薦產品
等級
reference material
品質等級
蒸汽壓力
1.33 (1.00 mmHg) at 865 °C hPa
化驗
>99.5%
品質
certified by BAM
技術
titration: suitable
pH值
7
mp
801 °C (lit.)
溶解度
water: soluble (358 g/l at 20 °C (68 °F))
形式
neat
SMILES 字串
[Na+].[Cl-]
InChI
1S/ClH.Na/h1H;/q;+1/p-1
InChI 密鑰
FAPWRFPIFSIZLT-UHFFFAOYSA-M
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一般說明
氯化钠（NaCl）是严格条件下以最高精度分析生产的容量标准物。该标准物的含量通过容量银量滴定法测定，且测定结果可追溯至 NIST SRM。其认证值和不确定性度量满足 ISO 指南 35 的要求。
應用
作为认证参考物质（CRM），用于在银量滴定中标准化滴定液。
特點和優勢
- 用作防污染玻璃瓶中的固体物，以确保其在被打开前的整个保质期内的稳定性。
- 高纯度材料，可追溯至 NIST SRM
- 高品质材料，可提供精准的滴定测定
- 随附分析证书（CoA）
分析報告
精确浓度、有效期、可溯源性以及详细认证信息，请见每个包装内的证书和认证报告。标签上标明含量和有效期。
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
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I need expiry date of this CRM 71387 Supelco Sodium chloride.
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