potassium dichromate造句
1. The determination of COD in wastewater by potassium dichromate colorimetric method was discussed.
2. The results showed that potassium dichromate volumetry had the advantages of rapid and easily handling, being available for the batch determinations of soil meso-and microfauna biomass.
3. Potassium dichromate titration method was used for determining sodium lactate in compound sodium lactate injection.
4. The main methods are: glass - electrodes method, potassium dichromate method and statistical method.
5. The article inquires the utilization of potassium dichromate method to measure AOD in the experimental conditions.
6. It is studied the evaluating process and method for inexactness in determination of total iron in iron ore with potassium dichromate titrimetric method.
7. Result:Data from these patients showed that top 10 allergens were as follows:fragrance mix, phenylenediamine base, potassium dichromate , resin, nickel sulfate.
8. This paper reports the chemical polymerization reaction of o methylaniline in aqueous HC1 solution when potassium dichromate is used as oxidizer.
9. A rapid method for the determination of organic carbon in marine sediments by potassium dichromate oxidation-ferrous sulphate titrimetry was developed.
10. The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.
11. To remove main disturbing ion, chlorine ion in the COD potassium dichromate reflux method, silver sulfate replaces mercury sulfate as a screening agent.