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juler 10pcs Educational Toys STEM Toys Science Kits Phenolphthalein Test Papers Ammonia Test Strips Acid and Alkaline Tests Chemical Experiment Supplies,Yellow,One Size
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juler 10pcs Educational Toys STEM Toys Science Kits Features
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For more information, please see the product description
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High quality materials
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Environmentally friendly and durable
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Color as shown in the picture
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Mail the type you choose, if you have question, contack me
About Juler 10pcs Educational Toys STEM Toys Science Kits
The production of test paper is affected by various factors such as the quality, environment and temperature of the indicator, the standard color chart of each batch of test paper should be fine-tuned. Detection, it must be Use this batch of color chart to compare. Category:Phenolphthalein test paper The package includes: 10* phenolphthalein test paper
