1.02405

炭酸ナトリウム

volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur^®

• 別名: カルシネド ソーダ, ソーダ灰, 炭酸二ナトリウム塩
• 化学式: Na₂CO₃
• CAS番号: 497-19-8
• 分子量: 105.99
• Beilstein: 4154566
• MDL番号: MFCD00003494
• UNSPSCコード: 41116107
• EC Index Number: 207-838-8
• NACRES: NA.24

特性

• 認証: ISO 17025; reag. Ph. Eur.; reag. USP
• 品質水準: 300
• 形状: solid
• 有効性: 4090 mg/kg LD₅₀, oral (Rat)
• テクニック: titration: suitable
• pH: 11.16 (25 °C, 4 g/L in H₂O)
• mp: 851 °C (lit.)
• 溶解性: 212.5 g/L
• 密度: 2.53 g/cm³ at 20 °C
• かさ密度: 1100 kg/m³
• 保管温度: 15-25°C
• SMILES記法: O=C(O[Na])O[Na]
• InChI: 1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• InChI Key: CDBYLPFSWZWCQE-UHFFFAOYSA-L

詳細

詳細

Sodium carbonate is a volumetric standard manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

アプリケーション

It is used as a certified reference material (CRM) for the standardization of volumetric solutions in acidimetric titrations, according to USP and Ph. Eur.

生物化学的／生理学的作用

バッファー成分です。表在性膜タンパク質の除去に使用することができます。

特徴および利点

• Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
• Certified reference material according to ISO 17034
• High-purity material traceable to NIST SRMs
• Measured in a DIN EN ISO/IEC 17025 accredited laboratory
• In accordance with the chapter reagents of USP and Ph. Eur
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

包装

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

法的情報

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

安全性情報

• ピクトグラム: GHS07
• シグナルワード: Warning
• 危険有害性情報: H319
• 注意書き: P264 - P280 - P305 + P351 + P338 - P337 + P313
• 危険有害性の分類: Eye Irrit. 2
• 保管分類コード: 13 - Non Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable