Primary Standards

 

Consider GFS primary standards for use in titrations and standardization solutions. GFS manufactures high purity primary standards that meet NIST traceability. Some can be manufactured in large quantities.

 

Our popular in-stock primary standards include:

 

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Primary Standards - Quick Product Selection Guide

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Chemical GFS Item # Size Link
BENZOIC ACID, PRIMARY STANDARD 1681 100 G View Now
BENZOIC ACID, PRIMARY STANDARD 1681 25 G View Now
CERIC AMMONIUM NITRATE, CERTIFIED 15 500 G View Now
CERIC AMMONIUM NITRATE, CERTIFIED 15 100 G View Now
CERIC AMMONIUM NITRATE, PRIMARY STANDARD 14 500 G View Now
CERIC AMMONIUM NITRATE, PRIMARY STANDARD 14 100 G View Now
COPPER, PRIMARY STANDARD, ACS REAGENT, SHOT 686 500 G View Now
DIPHENYLGUANIDINE, PRIMARY STANDARD 136 500 G View Now
DIPHENYLGUANIDINE, PRIMARY STANDARD 136 100 G View Now
DISODIUM DIHYDROGEN, ETHYLENEDIAMINETETRAACETATE DIHYDRATE, PRIMARY STANDARD 365 500 G View Now
DISODIUM DIHYDROGEN, ETHYLENEDIAMINETETRAACETATE DIHYDRATE, PRIMARY STANDARD 365 100 G View Now
IRON, ELECTROLYTIC, PRIMARY STANDARD 226 500 G View Now
IRON, ELECTROLYTIC, PRIMARY STANDARD 226 100 G View Now
POTASSIUM ACID PHTHALATE, PRIMARY STANDARD (ACS) 554 500 G View Now
POTASSIUM ACID PHTHALATE, PRIMARY STANDARD (ACS) 554 100 G View Now
POTASSIUM DICHROMATE, CERTIFIED 78 500 G View Now
POTASSIUM DICHROMATE, CERTIFIED 78 100 G View Now
SODIUM CARBONATE, ANHYDROUS, PRIMARY STANDARD (ACS) 1698 500 G View Now
SODIUM CARBONATE, ANHYDROUS, PRIMARY STANDARD (ACS) 1698 100 G View Now
SODIUM OXALATE, CERTIFIED, PRIMARY STANDARD 90 500 G View Now
SODIUM OXALATE, CERTIFIED, PRIMARY STANDARD 90 100 G View Now
SULFAMIC ACID, PRIMARY STANDARD 97 500 G View Now
SULFAMIC ACID, PRIMARY STANDARD 97 100 G View Now
SULFAMIC ACID, CERTIFIED, PRIMARY STANDARD 98 500 G View Now
SULFAMIC ACID, CERTIFIED, PRIMARY STANDARD 98 100 G View Now
TOTAL ORGANIC CARBON STANDARD, 1000 ppm 5231 500 ML View Now
TOTAL ORGANIC CARBON STANDARD, 1000 ppm 5231 100 ML View Now
TRISHYDROXYMETHYLAMINOMETHANE, PRIMARY STANDARD 176 500 G View Now
TRISHYDROXYMETHYLAMINOMETHANE, PRIMARY STANDARD 176 100 G View Now