{"product_id":"circular-qualitative-filter-paper-medium-speed-100-pack","title":"Circular Qualitative Filter Paper Medium Speed 100 Pack","description":"\u003cp\u003eReliable and consistent, this \u003cstrong\u003eCircular Qualitative Filter Paper (Medium Speed)\u003c\/strong\u003e is an essential tool for laboratory filtration tasks. Designed for general qualitative analysis, these circular filter papers offer dependable flow rates and effective particle retention — making them a go-to choice for science labs, schools, hobbyist chemistry setups, and home science experiments.\u003c\/p\u003e\n\n\u003cp\u003eEach pack contains \u003cstrong\u003e100 sheets\u003c\/strong\u003e of round filter paper, crafted from high-quality cellulose for consistent results. The medium-speed grade balances filtration speed with reliable particle retention, suitable for a wide range of standard filtration applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQualitative Grade:\u003c\/strong\u003e Ideal for standard laboratory and educational filtration applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedium Speed:\u003c\/strong\u003e Balanced flow rate for efficient, reliable separation of particles from liquids\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircular Shape:\u003c\/strong\u003e Fits standard funnel sizes; easy to fold and place into a lab funnel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Paper:\u003c\/strong\u003e Made from pure cellulose for consistent pore size and structural integrity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 100:\u003c\/strong\u003e Generous quantity ensures you always have plenty on hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Size Options:\u003c\/strong\u003e Available in 4 size options to suit your specific funnel and application needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSchool and university chemistry labs\u003c\/li\u003e\n  \u003cli\u003eGeneral qualitative analysis and routine filtration\u003c\/li\u003e\n  \u003cli\u003eSeparating precipitates from solutions\u003c\/li\u003e\n  \u003cli\u003eHomebrew, aquarium, and science hobby filtration projects\u003c\/li\u003e\n  \u003cli\u003eEnvironmental sampling and field research\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cellulose paper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Circular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Qualitative, Medium Speed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 100 pcs per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Due to hand measurement, there may be a size variance of approximately 1–2 cm. Colors shown in images may appear slightly different on screen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on laboratory filtration standards and best practices, visit the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e, a trusted resource for scientific measurement and laboratory standards.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is qualitative filter paper used for?\u003c\/h4\u003e\n\u003cp\u003eA: Qualitative filter paper is used for general laboratory filtration tasks where chemical analysis of the paper itself is not required. It is ideal for separating solids from liquids, clarifying solutions, and routine educational or research lab work. This medium-speed grade is versatile enough for a broad range of standard applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does \"medium speed\" mean for filter paper?\u003c\/h4\u003e\n\u003cp\u003eA: \"Medium speed\" refers to the flow rate at which liquid passes through the filter paper. Medium-speed filter paper strikes a balance between fast filtration and effective particle retention — making it suitable for filtering moderately fine precipitates and general-purpose lab use where neither ultra-fast nor ultra-slow filtration is required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I use circular filter paper with a lab funnel?\u003c\/h4\u003e\n\u003cp\u003eA: Simply fold the circular filter paper in half, then fold it in half again to form a cone shape. Open one layer of the cone and place it inside a glass or plastic funnel. Moisten it slightly with distilled water to help it adhere, then pour your liquid mixture through. The paper will capture solid particles while the filtered liquid passes through into your collection vessel.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these filter papers suitable for home or hobby use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! While these are laboratory-grade filter papers, they are perfectly suited for hobbyist science projects, home brewing, aquarium maintenance filtration experiments, or educational science kits. The pack of 100 ensures you have plenty for extended use.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is qualitative filter paper used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Qualitative filter paper is used for general laboratory filtration tasks where chemical analysis of the paper itself is not required. 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