"Potassium Nitrate"

Supplier: Merck

Potassium nitrate-[¹⁵N] (5% ¹⁵N), Sigma-Aldrich®

Supplier: Merck

Potassium nitrate-[¹⁵N] (98% ¹⁵N), Sigma-Aldrich®

Supplier: Merck

Potassium nitrate-[¹⁵N] (10% ¹⁵N), Sigma-Aldrich®

Supplier: Merck

Potassium nitrate-[¹⁵N] (60% ¹⁵N), Sigma-Aldrich®

Supplier: Merck

Potassium nitrate ≥99,0% analytical reagent

Supplier: VWR Chemicals

Xylenol orange triturate 1% (w/w) in potassium nitrate Reag. Ph. Eur. 1096301

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: VWR Chemicals

Dusičnan draselný ≥97%, TECHNICAL

Supplier: Apollo Scientific

Dusičnan draselný 99,9%

Supplier: VWR Chemicals

Dusičnan draselný ≥98%, GPR RECTAPUR®

Supplier: Thermo Fisher Scientific

Dusičnan draselný ≥99%

Supplier: VWR Chemicals

Dusičnan draselný ≥99.0%, AnalaR NORMAPUR® analytical reagent

Supplier: Thermo Fisher Scientific

Dusičnan draselný ≥99.995% (metals basis), Puratronic®

Supplier: Thermo Fisher Scientific

Dusičnan draselný ≥99.994% (metals basis)

Supplier: Avantor

Dusičnan draselný 99.0-100.5%, granular USP, FCC, J.T.Baker®