Phosphate Buffer Ph7

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

For Amperometric Determination of Residual Chlorine and Chlorine Dioxide Formula: Sodium and Potassium Phosphate in Water

pH (@ 25°C) 7.0 +/- 0.5

CAS No.: 7778-77-0 MDL: MFCD00011401 Form: Liquid Harmonized Tariff Code: 2835.24 TSCA: Yes

Harmonized Tariff Code:  2835.22

CAS Number: 7778-77-0 Harmonized Tariff Code:  2835.24

CAS Number: 7558-80-7 Harmonized Tariff Code:  2835.22

Harmonized Tariff Code:  2835.22

CAS Number: 7558-80-7 Harmonized Tariff Code:  2835.22

For determination of chlorine by amperometric titration. APHA formulation 100 mL bottle.

potassium dihydrogen phosphate / disodium hydrogen phosphate, with fungicide, traceable to SRM from NIST Synonym(s): Potassium sodium phosphate buffer solution MDL Number: MFCD00146206

Density (g/cm3): 1.01

Chemical name: Buffer concentrate pH 7.00 Density (g/cm3): 1 Chemical purity: 99.8-100.5% UN Number:

Chemical name: Buffer solution pH 7.0 (20 °C) Chemical synonyms: Potassium sodium phosphate buffer solution Density (g/cm3): 1 UN Number:

Chemical synonyms: Potassium sodium phosphate buffer solution Density (g/cm3): 1

Synonyms: Potassium sodium phosphate buffer solution General description: This standard solution is tested against certified reference materials from NIST and/or PTB. Packaging: The suffix -VP or -VOLPAC in the product number indicates packaging in 5 or 10 L VOLPAC containers.

Phosphate type, pH 7, APHA MDB 9.50

Components: Citric Acid / Sodium Phosphate Dibasic(100 mM / 200 mM mixture), Water(rest) Method: Prepared in 18.2 megohms-cm ± 1 water and filtered through 0.22-micron filter. pH: 7.0 ± 0.15 Storage: 2-8°C

Components: Potassium Phosphate Monobasic / Potassium Phosphate Dibasic(200 mM) Method: Prepared in 18.2 megohms-cm ± 1 water and filtered through 0.22-micron filter. pH: 7.0 ± 0.15 Storage: Room Temp.

Components: Sodium Phosphate Monobasic / Sodium Phosphate Dibasic(200 mM), Water(rest) Method: Prepared in 18.2 megohms-cm ± 1 water and filtered through 0.22-micron filter. pH: 7.0 ± 0.15 Storage: Room Temp.

Components: Sodium Phosphate Monobasic / Sodium Phosphate Dibasic(0.5 M) Method: Prepared in 18.2 megohms-cm ± 1 water and filtered through 0.22-micron filter. pH: 7.0 ± 0.15 Storage: Room Temp.

Components: Sodium Phosphate Monobasic / Sodium Phosphate Dibasic(0.2 M), Water(Rest) Method: Prepared in 18.2 megohms-cm ± 1 water and filtered through 0.22-micron filter. pH: 7.0 ± 0.15 Storage: Room Temp.

…Tris-HCl buffer pH 7.6 containing 1.5 mM sodium chloride, 0.5 mM calcium chloride, 1 µM zinc chloride, 0.01% (v/v) BRIJ 35 and 0.005% (w/v) gelatin. Wash buffer: Bottle contains 12.5 ml of phosphate buffer concentrate which when diluted gives a 0.01 M sodium phosphate buffer pH 7.0 containing…

Components: Sodium Phosphate Monobasic / Sodium Phosphate Dibasic(0.5 M), Water(rest) Method: Prepared in 18.2 megohms-cm ± 1 water and filtered through 0.22-micron filter. pH: 7.0 ± 0.15 Storage: Room Temp.

Traceable to SRM from NIST and PTB. 10 x pH 4.01 (phthalate), 10 x pH 7.00 (phosphate), 10 x pH 10.00 (borate). pH 4.01/pH 7.00/pH 10.00 (25°C).