Matrix Blanks and Standardization Solutions

A range of aqueous reference standards for process and instrument calibration and substances that closely match matrix component samples being analyzed; used to determine the absence of interference from matrix, reagents, and equipment.

1 – 15 of 1,212 results

84 μS/cm Conductivity Standard Solutions, Hanna Instruments™

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Potassium bromate/Potassium bromide, 0.1N Standardized Solution, Thermo Scientific Chemicals

Molecular Formula: KBrO₃/KBr MDL Number: MFCD00011359

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Specifications

MDL Number	MFCD00011359
Molecular Formula	KBrO₃/KBr

Refractive Index Certified Reference Material at 20 °C, 25 °C and 30 °C (Nominal RI Value 1.6556 at 25 °C), UKAS ISO 17025 / ISO 17034 Certified, in Tamper-Evident Glass Vials, 5 x 10 mL, Paragon Scientific™

Paragon Scientific’s range of Refractive Index Certified Reference Materials (CRMs) provide certified values for refractive index measurements at 20 °C, 25 °C and 30 °C and cover a wide range of calibration needs.

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Refractive Index Certified Reference Material at 20 °C, 25 °C and 30 °C (Nominal RI Value 1.5440 at 25 °C), UKAS ISO 17025 / ISO 17034 Certified, in Tamper-Evident Glass Vials, 5 x 10 mL, Paragon Scientific™

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pH Electrode fill solution 4M KCl saturated with AgCl, Jenway™

Protection and care for pH electrodes

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Silver, AAS standard solution, Specpure™ Ag 1000μg/mL, Thermo Scientific Chemicals

MDL Number: MFCD00003397

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Specifications

MDL Number	MFCD00003397

Potassium dichromate, 0.1N Standardized Solution, Thermo Scientific Chemicals

CAS: 7778-50-9 Molecular Formula: Cr2K2O7 Molecular Weight (g/mol): 294.182 MDL Number: MFCD00011367 InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N PubChem CID: 24502 ChEBI: CHEBI:53444 IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

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Specifications

PubChem CID	24502
CAS	7778-50-9
Molecular Weight (g/mol)	294.182
ChEBI	CHEBI:53444
MDL Number	MFCD00011367
SMILES	[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
IUPAC Name	dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
InChI Key	KMUONIBRACKNSN-UHFFFAOYSA-N
Molecular Formula	Cr2K2O7

Buffer solution, pH 9.18 (+/-0.024 @ 25oC), No Color, Specpure, NIST Traceable, Thermo Scientific Chemicals

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Specifications

Name Note	NIST Traceable
Health Hazard 3	P234-P390
MDL Number	MFCD00147253
Physical Form	Liquid
Health Hazard 1	H290
Chemical Name or Material	Buffer solution, pH 9.18 (±0.01 at 25°C)
Grade	Specpure™
TSCA	Yes
Recommended Storage	Ambient temperatures