dichromate造句
1. The proof is recoated with dichromate emulsion.
2. The determination of COD in wastewater by potassium dichromate colorimetric method was discussed.
3. A method for the determination of chlorine in dichromate by ion selection election was studied.
4. Chemical treatments, such as sodium dichromate solutions, may facilitate the more rapid formation of the passive film on a stainless steel surface already free of scale or foreign matter.
5. 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.
6. A process of electrolytic synthesis of sodium dichromate from industrial sodium chromate solution is introduced.
7. Ammonium bichromate (dichromate):Salt formed by neutralising chromic acid with ammonia. An orange color crystal that is soluble in water, insoluble in alcohol.
8. The process of sodium dichromate production and its pollution situation of waste water are introduced.
9. Sodium dichromate dihydrate is an inorganic compound containing hexavalent chromium that was used in the NTP studies.
10. Potassium dichromate titration method was used for determining sodium lactate in compound sodium lactate injection.
11. The article inquires the utilization of potassium dichromate method to measure AOD in the experimental conditions.
12. Rinse with water will be clear pattern, and then 5% sodium dichromate coating surface in the screen version of the brushing time, that is made of printed silk screen drama.
13. It is studied the evaluating process and method for inexactness in determination of total iron in iron ore with potassium dichromate titrimetric method.
14. Eosin - Y is introduced into the aqueous ammonium dichromate to make a eosin - Y sensitized dichromated gelatin plate.
15. The paper discussed the possibility of using Oslo evaporator in the production of sodium dichromate.
16. In this paper, the arsenopyrite and pyrite which enclave gold in arsenical refractory gold concentrate are leached by sodium dichromate in acidic medium. The dearsenication of this method is over 95%.
17. Result:Data from these patients showed that top 10 allergens were as follows:fragrance mix, phenylenediamine base, potassium dichromate , resin, nickel sulfate.
18. The suite accuses KBR of having knowingly allowed the soldiers to be exposed to the cancer causing chemical sodium dichromate while they were protecting a Iraq water pumping plant.
19. For the synthesis ofp-nitrobenzoic acid by means of micelles catalytic oxidation, sodium dichromate is used as oxidant, and the best catalyst is found to be dodecyl dimethyl benzyl ammonium bromide.
20. In order to resolve environmental pollution problems from the source in chrome salts production, it is urgent to explore a clean and efficient production technology of sodium dichromate.
21. It is shown that calcium carbonate can be decomposed in aqueous sodium dichromate solution and transformed to calcium chromate at ambient pressure and boiling temperature.
22. This paper reports the chemical polymerization reaction of o methylaniline in aqueous HC1 solution when potassium dichromate is used as oxidizer.
23. A rapid method for the determination of organic carbon in marine sediments by potassium dichromate oxidation-ferrous sulphate titrimetry was developed.
24. The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.
25. Preferally, the anion portion of the salt is permanganate, iodate,[http:///dichromate.html] dichromate or hyperchlorite.
26. To remove main disturbing ion, chlorine ion in the COD potassium dichromate reflux method, silver sulfate replaces mercury sulfate as a screening agent.
27. The main methods are: glass - electrodes method, potassium dichromate method and statistical method.
28. A new technology for preparation of basic chromium sulfate, using sugar as a reductive agent to sodium dichromate, was introduced.