コンテンツへスキップ
Merck

1.09439

Supelco

Buffer solution

(di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

別名:

Buffer solution pH 7.00 (20°C) (di-sodium hydrogen phosphate/potassium dihydrogen phosphate)

ログイン組織・契約価格を表示する


About This Item

UNSPSCコード:
12161706
NACRES:
NA.25

グレード

certified reference material

品質水準

製品種目

Certipur®

pH

7.0 (20 °C in H2O)

bp

109 °C/1013 hPa

mp

-5 °C

密度

1.01 g/cm3 at 20 °C

アプリケーション

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

フォーマット

mixture

保管温度

15-25°C

詳細

The buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate) is gravimetrically prepared using high-quality salts in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 7.00 at 20°C is qualified following a 5-point calibration method, using a combined glass electrode, in accordance with DIN 19268, against reference buffer solutions following DIN 19266.

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

The di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer solution finds applications in analytical procedures for the calibration, qualification, and monitoring of pH measuring instruments.

特徴および利点

  • Measured and qualified at an ISO/IEC 17025 and ISO 17034 accredited laboratory
  • Traceable to SRMs from NIST and primary certified reference standards from PTB
  • Ready-to-use solution available in a sealed bottle and the innovative Titripac® packaging for positive environmental impact due to reduced waste generation
  • Long-lasting with a shelf life of 3 years
  • Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective audit

法的情報

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

保管分類コード

12 - Non Combustible Liquids

WGK

nwg

引火点(°F)

Not applicable

引火点(℃)

Not applicable


試験成績書(COA)

製品のロット番号・バッチ番号を入力して、試験成績書(COA) を検索できます。ロット番号・バッチ番号は、製品ラベルに「Lot」または「Batch」に続いて記載されています。

以前この製品を購入いただいたことがある場合

文書ライブラリで、最近購入した製品の文書を検索できます。

文書ライブラリにアクセスする

この製品を見ている人はこちらもチェック

Slide 1 of 9

1 of 9

Buffer solution (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

Supelco

1.99002

Buffer solution

Buffer solution (boric acid/potassium chloride/sodium hydroxide) colour coded: blue, traceable to NIST and PTB pH 10.00 (25°C) Certipur®

Supelco

1.99050

Buffer solution

Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) colour: red traceable to SRM from NIST and PTB pH 4.00 (20 °C) Certipur®

Supelco

1.09475

Buffer solution

Buffer solution (citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (20°C) Certipur®

Supelco

1.09436

Buffer solution

Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (20°C) Certipur®

Supelco

1.09432

Buffer solution

Buffer Solution (boric acid/potassium chloride/sodium hydroxide) colour coded: yellow, tracable to NIST and PTB pH 10.00 (20°C) Certipur®

Supelco

1.09400

Buffer Solution

Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur®

Supelco

1.09434

Buffer solution

Buffer solution di-sodium hydrogen phosphate/potassium dihydrogen phosphate, traceable to NIST, traceable to PTB, pH 6.88 (20 °C), Certipur®

Supelco

1.07294

Buffer solution

Buffer solution (boric acid/potassium chloride/sodium hydroxide), coloured: blue traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

Supelco

1.09476

Buffer solution

ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.

製品に関するお問い合わせはこちら(テクニカルサービス)