XB/T 221-2022
XB/T 221-2022
Cerium ammonium nitrate
XB/T 221-2022
Diammonium cerium(IV) nitrate
XB/T 221-2022
XB/T 221-2022
XB/T 221-2022
Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 1: Determination of cerium oxide content - Ammonium ferrous sulfate titrimetry
XB/T 221-2022
Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of manganese content—Potentiometric method, titrimetric method after ammonium nitrate oxidation and titrimetric method after perchloric acid oxidation
XB/T 221-2022
Methods for chemical analysis of superalloys-Part 11:Determination of manganese content by ammonium nitrate oxidation-ammonium ferrous sulfate volumetric method
XB/T 221-2022
Method for chemical analysis of manganin and novokostant resistance alloy The ammonium nitrate oxidation-ammonium ferrous sulfate titrimetric method for the determination of manganese content
XB/T 221-2022
Methods for analysis of chenical oxidation solution for magnesium alloy-Part 18:Determination of ammonium chloride(sodium chloride) content in nitric acid oxidation solution by potentiometric method
XB/T 221-2022
Determination of plutonium in nitric acid solutions — Method by oxidation by cerium(IV), reduction by iron(II) ammonium sulfate and amperometric back-titration with potassium dichromate
XB/T 221-2022
Ferromanganese and blast furnace ferromanganese—Determination of manganese content—Potentiometric method and titrimetric method after ammonium nitrate oxidation
XB/T 221-2022
Methods for chemical analysis of iron, steel and alloy The volumetric method for determination of manganese content by ammonium nitrate oxidation
XB/T 221-2022
Safe Practices for the Production of Nitrous Oxide From Ammonium Nitrate
XB/T 221-2022
Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of manganese content—Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation
XB/T 221-2022
Nuclear fuel technology — Determination of milligram amounts of plutonium in nitric acid solutions — Potentiometric titration with potassium dichromate after oxidation by Ce(IV) and reduction by Fe(II)
XB/T 221-2022
XB/T 221-2022
Standard Test Method for Hydroxyl Groups Using Reaction with
XB/T 221-2022
Surface active agents - Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
XB/T 221-2022
Surface active agents. Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide