This product is a pH buffer standard. The pH value is a part of the product name and clearly stated on all product information, including the SDS.
推薦產品
等級
analytical standard
品質等級
agency
traceable to NIST
應用
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
形式
mixture
運輸包裝
ambient
儲存溫度
15-25°C
應用
This pH 12.45 buffer solution is suited for use in routine analytical methods for the calibration of pH meters and maintaining the pH of solutions.
特點和優勢
- Traceable to NIST standards
- A ready-to-use solution available in a sealed bottle with convenient packaging to protect against contamination
- Accompanied with a certificate of analysis (CoA) for an effective audit
- Accurate up to +/- 0.01 at 25 °C
- The expiry date of the product can be found in the CoA
- Calculated uncertainty value is for the duration of transportation and storage
規格
Tolerance: ±0.02
儲存類別代碼
12 - Non Combustible Liquids
水污染物質分類（WGK）
nwg
閃點（°F）
Not applicable
閃點（°C）
Not applicable
分析證明 (COA)
輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。
-
Why does the SDS Section 9 not list the pH of this material?
1 answer-
Helpful?
-
-
Hello, I did not see any warning on the product page that this item has a short shelf life. Had I known this buffer would expire in 2 months, I would have ordered at a later date. Can the people in charge of website improvements add a warning?
1 answer-
This product has a tested expiration date of one year.
The product issue you are reporting should be investigated by our Technical Service team who can assist you with further troubleshooting and/or investigation. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, click on "Report Product Issues" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.
Helpful?
-
Active Filters
我們的科學家團隊在所有研究領域都有豐富的經驗，包括生命科學、材料科學、化學合成、色譜、分析等.
聯絡技術服務
