SPEX Certiprep

SPEX Certiprep offers a comprehensive range of certified reference materials (CRMs), including organic and inorganic standards, custom mixes, and proficiency testing (PT) programs. Each CRM undergoes a rigorous quality control process to meet the highest industry standards, ensuring that laboratories can confidently rely on them for accurate and precise results.

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For Use With (Equipment)

AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation (832)
AA, ICP, ICP/MS, IC, XRF, and other analytical instrumentation (10)
Freezer Mills (1)
GC, GC/MS, HPLC, LC/MS, and Other Analytical Instrumentation (1,274)
Horiba Sulfur Analyzers (1)
SamplePrep Mills (5)
SamplePrep Mixers (5)
Standard 15 mL Tubes (1)
XRF Spectrometers (18)

Solution Type

Standard (11)
Standard Solution (206)

Color

Blue (3)
Orange (2)
White (16)
Yellow (1)

Physical Form

Liquid (22)

1 – 15 of 3,174 results

Decachlorobiphenyl, SPEX CertiPrep™

Pricing and Availability

Cobalt Standard For ICP, 1000μg/mL in 2% HNO₃, Assurance Grade, SPEX CertiPrep™

CAS: 7440-48-4 Molecular Formula: Co Molecular Weight (g/mol): 58.93 MDL Number: MFCD00010935 InChI Key: GUTLYIVDDKVIGB-UHFFFAOYSA-N PubChem CID: 104730 ChEBI: CHEBI:27638 IUPAC Name: cobalt SMILES: [Co]

Pricing and Availability
Specifications

PubChem CID	104730
CAS	7440-48-4
Molecular Weight (g/mol)	58.93
ChEBI	CHEBI:27638
MDL Number	MFCD00010935
SMILES	[Co]
IUPAC Name	cobalt
InChI Key	GUTLYIVDDKVIGB-UHFFFAOYSA-N
Molecular Formula	Co

Palladium Standard For ICP, 1000μg/mL in 10% HCl, Assurance Grade, SPEX CertiPrep™

CAS: 7440-05-3 Molecular Formula: Pd Molecular Weight (g/mol): 106.42 MDL Number: MFCD00011167 MFCD03457879 MFCD03427452 MFCD03613602 MFCD03613603 MFCD03613604 MFCD03613605 MFCD06798745 InChI Key: KDLHZDBZIXYQEI-UHFFFAOYSA-N PubChem CID: 23938 ChEBI: CHEBI:33363 IUPAC Name: palladium SMILES: [Pd]

Pricing and Availability
Specifications

PubChem CID	23938
CAS	7440-05-3
Molecular Weight (g/mol)	106.42
ChEBI	CHEBI:33363
MDL Number	MFCD00011167 MFCD03457879 MFCD03427452 MFCD03613602 MFCD03613603 MFCD03613604 MFCD03613605 MFCD06798745
SMILES	[Pd]
IUPAC Name	palladium
InChI Key	KDLHZDBZIXYQEI-UHFFFAOYSA-N
Molecular Formula	Pd

Phosphorus Standard For ICP, 1000μg/mL in H₂O, SPEX CertiPrep™

CAS: 7722-76-1 Molecular Formula: H6NO4P Molecular Weight (g/mol): 115.03 MDL Number: MFCD00003396 InChI Key: LFVGISIMTYGQHF-UHFFFAOYSA-N PubChem CID: 24402 ChEBI: CHEBI:62982 SMILES: N.OP(O)(O)=O

Pricing and Availability
Specifications

PubChem CID	24402
CAS	7722-76-1
Molecular Weight (g/mol)	115.03
ChEBI	CHEBI:62982
MDL Number	MFCD00003396
SMILES	N.OP(O)(O)=O
InChI Key	LFVGISIMTYGQHF-UHFFFAOYSA-N
Molecular Formula	H6NO4P

pH 7 Buffer Standard, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Pricing and Availability

Arsenic Standard For ICP, 1000μg/mL in 2% HNO₃, Assurance Grade, SPEX CertiPrep™

CAS: 7440-38-2 Molecular Formula: As Molecular Weight (g/mol): 74.92 MDL Number: MFCD00085309 InChI Key: RQNWIZPPADIBDY-UHFFFAOYSA-N PubChem CID: 5359596 ChEBI: CHEBI:27563 IUPAC Name: arsenic SMILES: [As]

Pricing and Availability
Specifications

PubChem CID	5359596
CAS	7440-38-2
Molecular Weight (g/mol)	74.92
ChEBI	CHEBI:27563
MDL Number	MFCD00085309
SMILES	[As]
IUPAC Name	arsenic
InChI Key	RQNWIZPPADIBDY-UHFFFAOYSA-N
Molecular Formula	As

Chromium VI Speciation Standard For ICP, Assurance Grade, SPEX CertiPrep™

Pricing and Availability

Molybdenum Standard For ICP, 1000μg/mL in H₂O, SPEX CertiPrep™

CAS: 7439-98-7 Molecular Formula: Mo Molecular Weight (g/mol): 95.95 MDL Number: MFCD00003465 InChI Key: ZOKXTWBITQBERF-UHFFFAOYSA-N PubChem CID: 23932 ChEBI: CHEBI:28685 IUPAC Name: molybdenum SMILES: [Mo]

Pricing and Availability
Specifications

PubChem CID	23932
CAS	7439-98-7
Molecular Weight (g/mol)	95.95
ChEBI	CHEBI:28685
MDL Number	MFCD00003465
SMILES	[Mo]
IUPAC Name	molybdenum
InChI Key	ZOKXTWBITQBERF-UHFFFAOYSA-N
Molecular Formula	Mo

Yttrium Standard, 2% HNO₃ in 1000mg/L (Assurance Grade), SPEX CertiPrep™

CAS: 7440-65-5 Molecular Formula: Y Molecular Weight (g/mol): 88.91 MDL Number: MFCD00011468 InChI Key: VWQVUPCCIRVNHF-UHFFFAOYSA-N PubChem CID: 23993 ChEBI: CHEBI:33331 IUPAC Name: yttrium SMILES: [Y]

Pricing and Availability
Specifications

PubChem CID	23993
CAS	7440-65-5
Molecular Weight (g/mol)	88.91
ChEBI	CHEBI:33331
MDL Number	MFCD00011468
SMILES	[Y]
IUPAC Name	yttrium
InChI Key	VWQVUPCCIRVNHF-UHFFFAOYSA-N
Molecular Formula	Y

Silicon Standard For ICP, 1000μg/mL in H₂O/0.24 F, Assurance Grade, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Pricing and Availability
Specifications

Molecular Weight (g/mol)	178.153
CAS Min %	99.9
Certificate of Analysis	Assurance Certificate of Analysis reports up to 39 elements at ppb levels.
Chemical Name or Material	Silicon Standard
Grade	Assurance
SMILES	[NH4+].[NH4+].F[Si-2](F)(F)(F)(F)F
InChI Key	ITHIMUMYFVCXSL-UHFFFAOYSA-P
For Use With (Application)	AA, ICP
PubChem CID	28145
Type	Certified Reference Material
Concentration or Composition Notes	Up to 68 elements are scanned with found values for ICP and ICP-MS standards. The found value of the trace metallic impurities is reported on the Certificate of Analysis.
Concentration or Composition (by Analyte or Components)	Matrix Concentration Cat. No.H₂O/tr. HF 1000μg/mL PLSI9-2Y, -2T, -2X 10,000 PLSI9-3Y, -3XH₂O 1000μg/mL PLSI9A-2X 10,000 PLSI9A-3X
CAS	7732-18-5
For Use With (Equipment)	AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation
Packaging	Triple-leached LDPE bottle
DOT Information	Nonhazardous
Recommended Storage	Ambient
IUPAC Name	diazanium;hexafluorosilicon(2-)
Solvent or Matrix	H₂O/0.4% F
Molecular Formula	F6H8N2Si
CAS Max %	99.9

Nitrate Standard for Ion Chromatography, SPEX CertiPrep™

CAS: 7732-18-5

Promotions are available

Pricing and Availability
Specifications

CAS	7732-18-5

n-Hexacontane, SPEX CertiPrep™

Pricing and Availability

Manganese Standard For ICP, 1000μg/mL in 2% HNO₃, Assurance Grade, SPEX CertiPrep™

CAS: 7439-96-5 Molecular Formula: Mn Molecular Weight (g/mol): 54.94 MDL Number: MFCD00011111 InChI Key: PWHULOQIROXLJO-UHFFFAOYSA-N PubChem CID: 23930 ChEBI: CHEBI:35154 IUPAC Name: manganese SMILES: [Mn]

Pricing and Availability
Specifications

PubChem CID	23930
CAS	7439-96-5
Molecular Weight (g/mol)	54.94
ChEBI	CHEBI:35154
MDL Number	MFCD00011111
SMILES	[Mn]
IUPAC Name	manganese
InChI Key	PWHULOQIROXLJO-UHFFFAOYSA-N
Molecular Formula	Mn

Mercury Standard For ICP, 10μg/mL in 5% HNO₃, SPEX CertiPrep™

Pricing and Availability

Hafnium Standard For ICP, 1000μg/mL in 2% HCl, Assurance Grade, SPEX CertiPrep™

CAS: 7440-58-6 Molecular Formula: Hf Molecular Weight (g/mol): 178.49 MDL Number: MFCD00011032 InChI Key: VBJZVLUMGGDVMO-UHFFFAOYSA-N PubChem CID: 23986 ChEBI: CHEBI:33343 IUPAC Name: hafnium SMILES: [Hf]

Pricing and Availability
Specifications

PubChem CID	23986
CAS	7440-58-6
Molecular Weight (g/mol)	178.49
ChEBI	CHEBI:33343
MDL Number	MFCD00011032
SMILES	[Hf]
IUPAC Name	hafnium
InChI Key	VBJZVLUMGGDVMO-UHFFFAOYSA-N
Molecular Formula	Hf

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