Environmental Reference Standards
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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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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REFERENCE STANDARDS & MATERIALS
Bromate Standard Solution traceable to SRM from NIST, 0.1000 mg/l BrO3ˉ in H2O
1330070100 · Merck
Grade
—
Pack size
100 mL
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REFERENCE STANDARDS & MATERIALS
Boron standard solution traceable to SRM from NIST H₃BO₃ in H₂O 1000 mg/l B Certipur®
1195000100 · Merck
Grade
certified reference material
Pack size
100 mL
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Grade
certified reference material
Pack size
100 mL
Backorder
Giá
Request a quote
Grade
certified reference material
Pack size
500 mL
Backorder
Giá
Request a quote