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NIST2191A

碳酸氢钠

Name: 碳酸氢钠
Brand: SIAL

NIST^® SRM^® 2191a, pD Standard

别名:

小苏打

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关于此项目

线性分子式:

NaHCO₃

化学文摘社编号:

144-55-8

分子量:

84.01

UNSPSC Code:

41116107

NACRES:

NA.24

PubChem Substance ID:

329818736

EC Number:

205-633-8

Beilstein/REAXYS Number:

4153970

MDL number:

MFCD00003528

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属性

grade

certified reference material

Quality Level

100

form

crystals

packaging

pkg of 30 g

manufacturer/tradename

NIST^®

pH

8.3(0.84% solution)

pKa (25 °C)

(1) 6.37, (2) 10.25 (carbonic acid)

density

2.16 g/mL at 25 °C (lit.)

application(s)

general analytical

SMILES string

[Na+].OC([O-])=O

InChI

1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1

InChI key

UIIMBOGNXHQVGW-UHFFFAOYSA-M

说明

General description

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

SRM 2191A_cert

SRM 2191A_SDS

Application

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

Features and Benefits

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

Other Notes

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

Legal Information

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

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

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存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c