Method for determining content of microplastics in seawater and organism-absorbed microplastics
A determination method and microplastic technology, applied in the field of environmental pollutant detection, can solve the problems of complex operation steps, high measurement cost, inability to know the relationship between microplastics content and microplastics, etc.
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[0030] Example 1
[0031] Step 1. Mix 3 parts of methyl phenyl silicone resin, 3 parts of polyurethane and 12 parts of calcium halophosphate phosphor at 120°C for 40 minutes to form a mixture M1;
[0032] Step 2: Add 1.5 parts of divinylbenzene to the mixture M1, and stir at 100°C for 30 minutes to form a mixture M2;
[0033] Step 3. At 60°C, add 2 parts of gelatin to the mixture M2 and stir for 40 minutes to form a mixture M3;
[0034] Step 4. After the mixture M3 is dried, it is ground and sieved to form a powder with a diameter of 0.5mm-1.2mm to obtain a viscous phosphor material.
Example Embodiment
[0035] Example 2
[0036] Step 1. Stir 5.8 parts of methyl phenyl silicone resin, 4.5 parts of polyurethane and 16 parts of calcium halophosphate phosphor at 130°C for 45 minutes to form a mixture M1;
[0037] Step 2: Add 2.5 parts of divinylbenzene to the mixture M1, and stir at 110°C for 35 minutes to form a mixture M2;
[0038] Step 3: At 65°C, add 5 parts of gelatin to the mixture M2 and stir for 45 minutes to form a mixture M3;
[0039] Step 4. After the mixture M3 is dried, it is ground and sieved to form a powder with a diameter of 0.5mm-1.2mm to obtain a viscous phosphor material.
Example Embodiment
[0040] Example 3
[0041] Step 1. Stir 4.5 parts of methyl phenyl silicone resin, 6 parts of polyurethane and 13 parts of calcium halophosphate phosphor at 125°C for 50 minutes to form a mixture M1;
[0042] Step 2: Add 3 parts of divinylbenzene to the mixture M1 and stir at 100°C for 35 minutes to form a mixture M2;
[0043] Step 3. At 70°C, add 4.5 parts of gelatin to the mixture M2 and stir for 50 minutes to form a mixture M3;
[0044] Step 4. After the mixture M3 is dried, it is ground and sieved to form a powder with a diameter of 0.5mm-1.2mm to obtain a viscous phosphor material.
[0045] In the above embodiments, methyl phenyl silicone resin, polyurethane and gelatin are used to react with the phosphor at high temperature, and an adhesive film can be formed on the surface of the phosphor. The adhesive film can react with polyethylene and polypropylene. , Polyvinyl chloride, polystyrene, polyurethane, polyamide, polyethylene terephthalate and other microplastics have a good selec...
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