I would like to ask about the method for preparing strontium chloride solution
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Method for preparing a 20% strontium chloride aqueous solution, and whether to use plastic or glass containers for preparation?
A percentage concentration is generally accurate to a rough extent. If it is a mass/volume percentage, dissolve 20 g of anhydrous strontium chloride in water and bring the volume to 100 mL ； If it is a pure mass percentage, then simply weigh 20 g of anhydrous strontium chloride and add 80 g of water to dissolve it. If your reagent is a crystalline hydrate, it needs to be converted. Glassware is generally sufficient for preparation.
If you are worried about contamination by metal ions such as potassium and sodium, plastic reagent bottles are a better choice; of course, if there are no such requirements, ordinary glass reagent bottles are the simplest option. It is usually expressed as a mass percentage; simply dissolve 20 g of salt in 80 g of water, and the solution will not be saturated at this point.