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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• High quality materials

• Environmentally friendly and durable

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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