NIST2191A

碳酸氢钠

NIST^® SRM^® 2191a, pD Standard

• 同義詞: 小苏打
• 線性公式: NaHCO₃
• CAS號碼: 144-55-8
• 分子量：: 84.01
• Beilstein: 4153970
• EC號碼: 205-633-8
• MDL號碼: MFCD00003528
• 分類程式碼代碼: 41116107
• PubChem物質ID: 329818736
• NACRES: NA.24

屬性

• 等級: certified reference material
• 品質等級: 100
• 形狀: crystals
• 包裝: pkg of 30 g
• 製造商／商標名: NIST^®
• pH值: 8.3(0.84% solution)
• pKa (25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• 密度: 2.16 g/mL at 25 °C (lit.)
• 應用: general analytical
• SMILES 字串: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChI 密鑰: UIIMBOGNXHQVGW-UHFFFAOYSA-M

描述

一般說明

Each unit of SRM 2191A contains 30g of sodium bicarbonate.

SRM 2191A_cert

SRM 2191A_SDS

應用

Sodium bicarbonate standard reference material (SRM) is intended for preparing buffer solution, used to calibrate electrodes for p^D measuring system.

特點和優勢

• SRM 2191A certified values are correspond to log (1/a^D).
• The NIST certificate is provided with storage and stability instructions.

其他說明

Please download a current certificate at nist.gov/SRM for current analytes and certified values.

法律資訊

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology

安全資訊

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable