For AA, colorimetric and volumetric analysis

CH₃ONa CAS#: 124-41-4 F.W.: 54.02

Concentration (as Cl) 1,000 +/- 10 ug/mL Matrix: KCl, water

Concentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable

Concentration (as nitrite) 1,000 +/- 10 ug/mL Matrix: sodium nitrite, water Refrigerate to maximize shelf life

Concentration 10,000 +/- 100 ug/ml Matrix: 5% Nitric acid NIST Traceable

C₅H₅N

Concentration 10,000 +/- 100 ug/ml Matrix: 5% Nitric Acid NIST Traceable

Matrix: 5% nitric acid with trace tartaric acid. Ag 100 ug/ml Al 100 ug/ml As 100 ug/ml Ba 100 ug/ml Be 100 ug/ml Bi 100 ug/ml Ca 1000 ug/ml Cd 100 ug/ml Cr

AA, colorimetric or volumetric standard. Concentration 2 ug/ml Matrix: <5% HNO3 NIST Traceable

C₁₀H₁₈O₄ CAS#: 2425-79-8 F.W.: 202.28 1,4-bis(2,3-epoxypropoxy)butane

(NH₄)₂S CAS#: 12135-76-1 F.W.: 68.14 20 wt % in water

Platinum-Cobalt base TEST Suitability - Pass test Prepared by dilution of AHPA 500

AA, or colorimetric standard

AA, colorimetric or volumetric standard

CH₃(CH₂)₃NH₂ CAS#: 109-73-9 F.W.: 73.14

Concentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable

AA or colorimetric standard

100 ppm each element in 5% hydrochloric acid with a trace of HF. Aluminum 100 +/- 1 ug/mL Boron 100 +/- 1 ug/mL Chromium 100 +/- 1 ug/mL Hafnium 100 +/- 1 ug/mL Molybdenum 100 +/- 1 ug/mL

C₆H₄(COO(CH₂)₃CH₃)₂ CAS#: 84-74-2 F.W.: 278.34

AA, colorimetric or volumetric standard Concentration 5 ug/ml Matrix: <5% HNO₃ NIST Traceable

H₃PO₄ CAS#: 7664-38-2 F.W.: 98.00

1000 ppm nitrogen from ammonium chloride, 1220 ppm ammonia. Concentration (as N) 1,000 +/- 10 ug/ml Matrix: Ammonium chloride in water NIST Traceable

AA, colorimetric or volumetric standard

Concentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable

[CH₃(CH₂)₃O]₃PO CAS#: 126-73-8 F.W.: 266.32

Concentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric Acid NIST Traceable

SOCl₂ CAS#: 7719-09-7 F.W.: 118.97

KHP in dilute phosphoric acid Total organic carbon 1000 +/- 10 ppm Matrix: Phosphoric acid <1%

AA, colorimetric or volumetric standard

HBr CAS#: 10035-10-6 F.W.: 80.91 Specific Gravity: 1.500

C₆H₅CH₂OH CAS#: 100-51-6 F.W.: 108.14