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Test Tube icon - also known as chemistry, science, flask, test, chemical, test tube, chemicals, flasks, and healthcare and medical. Created in a clean gradient style, perfect for web, apps, and UI projects. Available in SVG and PNG, with multiple style variants.
<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="75"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#ffbef9" />
        <stop offset="1" stop-color="#fff1ff" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="256"
        x2="256"
        y1="512"
        y2="60"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#a93aff" />
        <stop offset="1" stop-color="#ff81ff" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="M196 0h-90c-8.291 0-15 6.709-15 15v60h120V15c0-8.291-6.709-15-15-15zm210 0h-90c-8.291 0-15 6.709-15 15v60h120V15c0-8.291-6.709-15-15-15z"
    />
    <path
        fill="url(#b)"
        d="M226 60H76c-8.291 0-15 6.709-15 15s6.709 15 15 15c8.276 0 15 6.724 15 15v347c0 33.091 26.909 60 60 60s60-26.909 60-60V105c0-8.276 6.724-15 15-15 8.291 0 15-6.709 15-15s-6.709-15-15-15zm210 0H286c-8.291 0-15 6.709-15 15s6.709 15 15 15c8.276 0 15 6.724 15 15v347c0 33.091 26.909 60 60 60s60-26.909 60-60V105c0-8.276 6.724-15 15-15 8.291 0 15-6.709 15-15s-6.709-15-15-15z"
    />
</svg>
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