NIST® SRM® 189c, pH standard
Code: NIST189C
General description
SRM 189C_cert
SRM 189C_SDS
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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certified reference material, 50 mg/mL in methanol
certified reference material, wt. % (varied)
(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
Pharmaceutical Secondary Standard; Certified Reference Material
(potassium dihydrogen phosphate/disodium hydrogen phosphate)traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®500 mL-1094070500
1 L – 1094071000
certified reference material100 mL – TURB4000-100ML
500 mL – TURB4000-500ML
1 L – TURB4000-1L
Pharmaceutical Secondary Standard; Certified Reference Material1 g- PHR1012-1G
10 g- PHR1012-10G
(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
(boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) Certipur®1 L-1094381000
4 L-1094384000
10 L- 1094389010
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