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Method for analysis of nickel chloride in pyrophosphate tin-nickel alloy plating bath

Method for analysis of nickel chloride in pyrophosphate tin-nickel alloy plating bath

A new method for the determination of nickel chloride in pyrophosphate tin-nickel alloy plating bath was developed. Sn(II) ions were oxidized to Sn(IV) ions with hydrogen peroxide, and Sn(VI) ions were masked with sodium fluoride. Under the condition of p H = 10, nickel was titrated by ethylenediaminetetraacetic acid (EDTA) volumetric method with ammonium porphyrate as indicator. The method is simple and accurate, the relative average deviation is 0.18%, and the recovery rate is 99.18-99.98%, which solves the interference problem of Sn(II) ion and potassium pyrophosphate in the determination of nickel chloride in the traditional method.

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2024

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Effect of Nickel Chloride on Thickness and Structure of Zinc Coating without Ammonium Flux

Effect of Nickel Chloride on Thickness and Structure of Zinc Coating without Ammonium Flux

The morphology and thickness of the coating intermetallic compound layer were analyzed by optical microscope and scanning electron microscope on the coating obtained from the angle steel in the non-ammonium plating agent with different nickel chloride content. The results show that in a certain range, with the increase of nickel chloride content, the thickness of the obtained coating decreases continuously, when the nickel chloride content increases to 6g/L, the thickness of the coating is no longer reduced with the increase of nickel chloride content, when the nickel chloride content increases to 6~8g/L, the coating is the thinnest, and the nickel chloride content is 4~8g/L, when the thickness of the coating is moderate, as the content of the nickel chloride increases, the grain size decreases as the ζ intermetallic compound layer in the intermetallic compound layer is thinned. The Γ and δ intermetallic compounds do not change significantly.

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2024

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04

Effect of High Temperature Treatment on Properties of Nickel Chloride Cathode Material for Thermal Battery

Effect of High Temperature Treatment on Properties of Nickel Chloride Cathode Material for Thermal Battery

The experimental purpose of this study is to study the effect of high temperature treatment on the performance of nickel chloride as a cathode material for thermal batteries. Experimental methods: This study uses a variety of analytical methods to carry out the study, using SEM that is, scanning electron microscopy and XRD(X-ray diffraction spectroscopy) for thermal battery cathode materials before and after high temperature treatment of the crystalline state of nickel chloride were analyzed, mainly for the material after high temperature treatment before and after some of the physical and chemical properties of the changes.

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2024

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04

Shanghai nickel long-term maintenance of strong operation

Shanghai nickel long-term maintenance of strong operation

The expected increase in liquidity tightening in the second half of the year may cause interference to the upward trend of nickel prices, but in the long run, as the global economy continues to recover, domestic and foreign demand is generally improving, stainless steel production has rebounded, and the new energy market has maintained high growth, as well as domestic and foreign The continued decline in nickel inventories will still support the strength of nickel prices.

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2023

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10

Introduction and Use of Nickel Sulfate Nickel Sulfate Export to Australia Note

Introduction and Use of Nickel Sulfate Nickel Sulfate Export to Australia Note

According to the agricultural situation regulation of the Ministry of agriculture and rural areas on October 9, the national autumn grain harvest has exceeded 50%, of which nearly 60% of the first season rice harvest, and 50% of corn and soybean harvest; winter wheat and rape sowing have been carried out one after another. At present, the domestic new rice gradually entered the peak period of listing. The price of rice continued to run at a high level before two festivals, so with the increase in the number of listings after the festival, the price of rice will inevitably have a slight downward trend. So will this round of rice prices continue to fall endlessly? What are the points that need to be paid attention to in the future market?

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2023

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The tariff on nickel sulfate is reduced to zero, and the annual tax reduction for the national new energy industry is expected to exceed 30 million yuan.

The tariff on nickel sulfate is reduced to zero, and the annual tax reduction for the national new energy industry is expected to exceed 30 million yuan.

On January 3, Jumu News reporter learned from Wuhan Customs that from January 1, 2024, the "Announcement of the Tariff Commission of the State Council on the Tariff Adjustment Plan in 2024" was officially implemented. Among them, the "proposal to reduce the provisional tax rate of nickel sulfate" reported by Wuhan Customs through tax investigation was finally adopted. The provisional import tariff rate of nickel sulfate was reduced from 2% to zero, which is expected to reduce the tax burden of China's new energy industry by more than 30 million yuan every year, which will further add endurance to the development of the new energy industry.

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