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Reference Standards

Peak Performance™ certified reference standards

Standardize Your Standards

CPI International provides a comprehensive portfolio of reference materials and standards to support analytical testing across industries. From inorganic and organic standards to cannabis, food safety, microbiology, and environmental solutions, our selection of standards is designed to meet the diverse needs of modern laboratories.

  • Certified Reference Materials (CRMs): Produced in ISO 17034–accredited facilities for accuracy and traceability.
  • Reference Materials (RMs): Manufactured and tested in ISO/IEC 17025–accredited laboratories.
  • Application-Specific Standards: Covering spectroscopy, chromatography, mass spectrometry, microbiology, and wet chemistry methods.
  • Custom Standards: Tailored formulations to reduce workload, improve efficiency, and support regulatory compliance in your industry.

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Reference Standards

[Z-030256-02] Endrin Aldehyde Solution, 100 mg/L, 1 mL
Endrin Aldehyde Solution, 100 mg/L, 1 mL
Item No.: Z-030256-02
$ 32.00 32.0 USD
[Z-110240-01] EPA Method 8040A Phenol Calibration Solution 24-2, 500 mg/L, 1 mL
EPA Method 8040A Phenol Calibration Solution 24-2, 500 mg/L, 1 mL
Item No.: Z-110240-01
$ 82.00 82.0 USD
[Z-110238-01] EPA Method 8040 Phenol Calibration Solution 24-1, 500 mg/L, 1 mL
EPA Method 8040 Phenol Calibration Solution 24-1, 500 mg/L, 1 mL
Item No.: Z-110238-01
$ 82.00 82.0 USD
[4401-GGA2X.5] Double-Strength Glucose-Glutamic Acid (GGA) Standard for BOD5 Test, 9 mL Vials x 56 Pack
Double-Strength Glucose-Glutamic Acid (GGA) Standard for BOD5 Test, 9 mL Vials x 56 Pack
Item No.: 4401-GGA2X.5
$ 255.00 255.0 USD
[4400-10PPM91-250] Calcium (Ca), 10 µg/mL, HNO3, 250 mL
Calcium (Ca), 10 µg/mL, HNO3, 250 mL
Item No.: 4400-10PPM91-250
$ 101.00 101.0 USD
[4400-CALMX8-100] Instrument Check Standard #8, HNO3, 100 mL
Instrument Check Standard #8, HNO3, 100 mL
Item No.: 4400-CALMX8-100
Al 50, As 50, Co 50, Cr 50, Cu 50, K 50, Na 50, P 50, Pb 50 in 2% HNO3. 100 mL
$ 293.00 293.0 USD
[4400-010109] GFAA Initial Calibration Standard, 2% HNO3+Trace HF, 100 mL
GFAA Initial Calibration Standard, 2% HNO3+Trace HF, 100 mL
Item No.: 4400-010109
$ 96.00 96.0 USD
[4400-010107] GFAA Calibration Standard, 2% HNO3+Trace HF, 100 mL
GFAA Calibration Standard, 2% HNO3+Trace HF, 100 mL
Item No.: 4400-010107
$ 96.00 96.0 USD
[Z-030673-02] Dalapon Methyl Ester, 2,000 mg/L, 1 mL
Dalapon Methyl Ester, 2,000 mg/L, 1 mL
Item No.: Z-030673-02
$ 63.00 63.0 USD
[Z-010039-02] Dimethyl phthalate Solution, 2,000 mg/L, 1 mL
Dimethyl phthalate Solution, 2,000 mg/L, 1 mL
Item No.: Z-010039-02
$ 52.00 52.0 USD
[4400-ICAPQ-C] iCAP Q Calibration Solution, HNO3, 250mL
iCAP Q Calibration Solution, HNO3, 250mL
Item No.: 4400-ICAPQ-C
Be 35, Zn 20, Cu 15, Ni 15, Al 10, Ga 10, Mg 10, Co 8, Li 8, Sc 8, Mn 6, Ag 6, Sr 5, Ba 4, Tl 4, Bi 3, Ce 3, Cs 3, Ho 3, In 3, Rh 3, Ta 3, Tb 3, U 3, Y 3 in 2% HNO3.
$ 635.00 635.0 USD
Initial Calibration Verification (ICV) Standard 1
Initial Calibration Verification (ICV) Standard 1
Solution A: Al 100, As 100, B 100, Ba 50, Be 50, Bi 100, Ca 100, Cd 50, Co 50, Cr 50, Cu 100, Fe 100, K 200, Li 100, Mg 100, Mn 50, Mo 100, Ni 100, P 200, Pb 100, Se 200, Sr 100, Tl 100, V 50, Zn 50 in 4% HNO3 + tr HF
Solution B: Si 100, Na 162, S 200 in H2O.
Available in 100 mL and 500 mL volumes.
0.0 USD
[4400-1PPM131-500] Cobalt (Co), 1 µg/mL, HNO3, 500 mL
Cobalt (Co), 1 µg/mL, HNO3, 500 mL
Item No.: 4400-1PPM131-500
$ 142.00 142.0 USD
[Z-010040-02] Di-n-butylphthalate Solution, 2,000 mg/L, 1 mL
Di-n-butylphthalate Solution, 2,000 mg/L, 1 mL
Item No.: Z-010040-02
$ 52.00 52.0 USD
[Z-010038-02] Diethyl phthalate Solution, 2,000 mg/L, 1 mL
Diethyl phthalate Solution, 2,000 mg/L, 1 mL
Item No.: Z-010038-02
$ 52.00 52.0 USD
[Z-110189-22] FID Check Alkane Solution, 3-1, 218 mg/L, 2.5 mL
FID Check Alkane Solution, 3-1, 218 mg/L, 2.5 mL
Item No.: Z-110189-22
$ 63.00 63.0 USD
Aluminum (Al), 100 µg/mL, HNO3
Aluminum (Al), 100 µg/mL, HNO3
Available in 100 mL and 500 mL volumes.
0.0 USD
[4400-400PPM131-250] Cobalt (Co), 400 µg/mL, HNO3, 250 mL
Cobalt (Co), 400 µg/mL, HNO3, 250 mL
Item No.: 4400-400PPM131-250
$ 101.00 101.0 USD
[4400-300PPM131-250] Cobalt (Co), 300 µg/mL, HNO3, 250 mL
Cobalt (Co), 300 µg/mL, HNO3, 250 mL
Item No.: 4400-300PPM131-250
$ 101.00 101.0 USD
[4400-250PPM131-100] Cobalt (Co), 250 µg/mL, HNO3, 100 mL
Cobalt (Co), 250 µg/mL, HNO3, 100 mL
Item No.: 4400-250PPM131-100
$ 67.00 67.0 USD