pH 4.00±0.01 (25 °C)500 mL- B5020-500ML
1 gal – B5020-1GA
Application
The buffer reference standard was used in the calibration of a pH probe and pH meter in analytical procedures.
Features and Benefits
Traceable to NIST standard reference materials
A ready-to-use solution available in various packaging to provide ease-of-use
Packaging
500 mL size packaged in polyethylene bottle; 1 gal size in convenient shelf-top dispenser with spigot.
Analysis Note
Standardized against N.I.S.T. standard reference materials.
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Pharmaceutical Secondary Standard; Certified Reference Material2 g – PHR1008-2G
10 g – PHR1008-10G
traceable to SRM from NIST Fe(NO3)3 in HNO3 0.5 mol/l 1000 mg/l Fe Certipur®100 mL- 1197810100
500 mL -1197810500
(citric acid/sodium hydroxide/hydrogen chloride) colour: red traceable to SRM from NIST and PTB pH 4.00 (20 °C) Certipur®500 mL- 1094750500
4 L- 1094754000
10 L- 1094759010
certified reference material, 1000 μg/mL each component in hexane
Pharmaceutical Secondary Standard; Certified Reference Material
(di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®1 L – 1094391000
4 L 1094394000
10 L 1094399010
(citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®1 L – 1094331000
4 L – 1094334000
10 L – 1094339010
certified reference material100 mL – TURB4000-100ML
500 mL – TURB4000-500ML
1 L – TURB4000-1L
certified reference material, 500 μg/mL in DMSO, ampule of 1 mL
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