REFERENCE STANDARDS & MATERIALS
Buffer solution (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®
1094060500 · Merck
Grade
certified reference material
Pack size
500 mL
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REFERENCE STANDARDS & MATERIALS
Buffer solution (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur
1990010001 · Merck
Grade
certified reference material
Pack size
30 sachet
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REFERENCE STANDARDS & MATERIALS
Buffer solution (potassium dihydrogen phosphate/disodium hydrogen phosphate)traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®
1094070500 · Merck
Grade
certified reference material
Pack size
500 mL
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REFERENCE STANDARDS & MATERIALS
Buffer solution (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®
1990020001 · Merck
Grade
certified reference material
Pack size
30 sachet
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REFERENCE STANDARDS & MATERIALS
Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (25°C) Certipur®
1094410500 · Merck
Grade
certified reference material
Pack size
500 mL
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REFERENCE STANDARDS & MATERIALS
Buffer solution (di-sodium tetraborate)tracable to SRM from NIST and PTB pH 9.18 (25°C) Certipur
1990190001 · Merck
Grade
certified reference material
Pack size
30 unit
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CHEMICALS
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C)
1016451000 · Merck
Grade
certified reference material
Pack size
1 L
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REFERENCE STANDARDS & MATERIALS
Buffer solution (boric acid/potassium chloride/sodium hydroxide solution), traceable to SRM from NIST and PTB pH 9.00 (25°C) Certipur®
1990030001 · Merck
Grade
certified reference material
Pack size
30 sachet
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REFERENCE STANDARDS & MATERIALS
Buffer solution (Potassium dihydrogen phosphate,di-sodium hydrogen phophate) traceable to SRM from NIST and PTB pH 6.86 (25°C) Certipur
1990170001 · Merck
Grade
certified reference material
Pack size
30 unit
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Grade
certified reference material
Pack size
500 mL
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Grade
certified reference material
Pack size
1 L
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Grade
analytical standard
Pack size
1 amp
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