Environmental Reference Standards
REFERENCE STANDARDS & MATERIALS
Refractive index standard traceable to NIST, traceable to PTB, [α]/D 20°, Brix CERTIPUR®
5004200001 · Merck
Grade
analytical standard
Pack size
5x8 mL
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Grade
certified reference material
Pack size
100 mL
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REFERENCE STANDARDS & MATERIALS
Potassium hydroxide solution c(KOH) = 0.1 mol/l (0.1 N), concentrate for preparing 1000 mL volumetric solution for titration, Titrisol®
1099210001 · Merck
Grade
—
Pack size
1 amp
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REFERENCE STANDARDS & MATERIALS
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0.01 mol/l) Certipur
1012030500 · Merck
Grade
certified reference material
Pack size
500 mL
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Grade
certified reference material
Pack size
100 mL
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Grade
certified reference material
Pack size
100 mL
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Grade
certified reference material
Pack size
100 mL
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REFERENCE STANDARDS & MATERIALS
Phosphorus (total) Standard Solution traceable to SRM from NIST 75.0 mg/L PO4-P (total) in H2O
1250490100 · Merck
Grade
—
Pack size
100 mL
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Grade
—
Pack size
500 mL
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Grade
certified reference material
Pack size
500 mL
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REFERENCE STANDARDS & MATERIALS
Palladium ICP standard traceable to SRM from NIST Pd(NO3)3 in HNO3 2-3% 1000 mg/l Pd Certipur®
1703390100 · Merck
Grade
certified reference material
Pack size
100 mL
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REFERENCE STANDARDS & MATERIALS
Oxalic acid solution for 1000 ml, c(C₂H₂O₄) = 0.005 mol/l (0.01 N) Titrisol®
1099320001 · Merck
Grade
—
Pack size
1 amp
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