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Yingkou Hongwei Agricultural Technology Developmen

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Address: Nanlou Economic Development Zone, Dashiqiao, Yingkou, Liaoning Province

Steps of preparing zinc sulfate monohydrate solution


Zinc sulfate monohydrate is a colorless, odorless, colorless or white crystal, granule or powder. We all know that any solution needs the correct configuration. So let's take a look at the configuration standard of zinc sulfate monohydrate:

1. Preparation of standard solution of zinc sulfate monohydrate: First weigh 4.3977g of ZnSO4 · 7H2O, dissolve it in water, transfer it to a 1L volumetric flask, shake it to a constant volume, and obtain a solution containing 1mg / mL zinc.

2. This zinc-containing solution does not need to be calibrated. Generally, 4.40g can be weighed.

3. Calibration volumetric flask is required to be higher. Weigh it with standard zinc oxide: burn zinc oxide at 800 ° C for 1 hour, cool and weigh, and let it dissolve in 100mL (1 + 100) sulfuric acid solution, transfer Into a 1L volumetric flask, shake to constant volume to obtain a solution containing 1 mg / mL zinc.


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