Add icons to this collection by clicking the heart icon.
Test Tubes icon - also known as education, chemistry, science, flask, test tubes, chemical, test tube, chemicals, flasks, bacterium, and ecology and environment. Created in a clean lineal 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 64 64"
>
    <path
        d="M45 20.41V19a3 3 0 0 0 0-6h-8a3 3 0 0 0 0 6v1.41a21 21 0 1 0 8 0ZM36 16a1 1 0 0 1 1-1h8a1 1 0 0 1 0 2h-8a1 1 0 0 1-1-1Zm2.15 6.24a1.008 1.008 0 0 0 .85-.99V19h4v2.25a1 1 0 0 0 .26.67A8.984 8.984 0 0 1 39 23a1 1 0 0 0 0 2 4 4 0 0 1 2.25 7.31.988.988 0 0 0-.42.98 1.021 1.021 0 0 0 .71.8 2.064 2.064 0 0 1 .97.61 1.007 1.007 0 0 0 1.63-.18A.967.967 0 0 1 45 34a1.021 1.021 0 0 1 .75.35 1.033 1.033 0 0 0 1.5 0A1.021 1.021 0 0 1 48 34a1 1 0 0 1 0 2 1.021 1.021 0 0 1-.75-.35 1.033 1.033 0 0 0-1.5 0A1.021 1.021 0 0 1 45 36a1.032 1.032 0 0 1-.54-.16 1 1 0 0 0-.92-.09 1.012 1.012 0 0 0-.59.7 2 2 0 1 1-3.42-1.79.988.988 0 0 0 .19-1.06 1.006 1.006 0 0 0-.88-.62 3.986 3.986 0 0 1-3.8-3.65 1.011 1.011 0 0 0-.96-.92c-.7-.03-1.48-.11-2.23-.2A28.352 28.352 0 0 0 29 28a6.384 6.384 0 0 1-1.57-.21 18.882 18.882 0 0 1 10.72-5.55ZM41 60a18.929 18.929 0 0 1-14.99-30.58A8.075 8.075 0 0 0 29 30a26 26 0 0 1 2.63.2c.51.06 1.03.12 1.55.16a6 6 0 0 0 4.04 4.35A3.762 3.762 0 0 0 37 36a4 4 0 0 0 7.49 1.96 3 3 0 0 0 2.01-.37A2.916 2.916 0 0 0 48 38a3 3 0 0 0 0-6 2.916 2.916 0 0 0-1.5.41 2.989 2.989 0 0 0-2.39-.27 5.984 5.984 0 0 0-1.34-7.8 11.065 11.065 0 0 0 3.01-1.7A18.984 18.984 0 0 1 41 60ZM39 8a3 3 0 1 0-3-3 3 3 0 0 0 3 3Zm0-4a1 1 0 1 1-1 1 1 1 0 0 1 1-1ZM8 5a3 3 0 1 0-3 3 3 3 0 0 0 3-3ZM5 6a1 1 0 1 1 1-1 1 1 0 0 1-1 1ZM13 10a3 3 0 1 0-3-3 3 3 0 0 0 3 3Zm0-4a1 1 0 1 1-1 1 1 1 0 0 1 1-1ZM45 12a3 3 0 1 0-3-3 3 3 0 0 0 3 3Zm0-4a1 1 0 1 1-1 1 1 1 0 0 1 1-1Z"
    />
    <path
        d="M29 37a3 3 0 1 0-3-3 3 3 0 0 0 3 3Zm0-4a1 1 0 1 1-1 1 1 1 0 0 1 1-1ZM55 38a3 3 0 1 0-3-3 3 3 0 0 0 3 3Zm0-4a1 1 0 1 1-1 1 1 1 0 0 1 1-1ZM52 28a3 3 0 1 0-3 3 3 3 0 0 0 3-3Zm-3 1a1 1 0 1 1 1-1 1 1 0 0 1-1 1ZM33.74 8.56A4.908 4.908 0 0 0 34 7a4.987 4.987 0 0 0-8.98-3h-.19a3 3 0 1 0-4.57 3.44A4.908 4.908 0 0 0 20 9a4.987 4.987 0 0 0 8.98 3h.19a3 3 0 1 0 4.57-3.44ZM32 12a.994.994 0 0 1-1-.95c0-.02.01-.1.01-.13a1 1 0 0 0-1-1.07.727.727 0 0 0-.25.04 2.625 2.625 0 0 1-1.05.08l-.11-.01a.983.983 0 0 0-1 .5A2.987 2.987 0 0 1 22 9a2.942 2.942 0 0 1 .44-1.53 1.01 1.01 0 0 0 .06-.91.991.991 0 0 0-.71-.58A1 1 0 0 1 22 4a.994.994 0 0 1 1 .95c0 .02-.01.1-.01.13a1.01 1.01 0 0 0 .36.84.988.988 0 0 0 .89.19 2.625 2.625 0 0 1 1.05-.08l.11.01a.983.983 0 0 0 1-.5A2.987 2.987 0 0 1 32 7a2.942 2.942 0 0 1-.44 1.53 1.01 1.01 0 0 0-.06.91.991.991 0 0 0 .71.58A1 1 0 0 1 32 12ZM20.74 17.56A4.908 4.908 0 0 0 21 16a4.987 4.987 0 0 0-8.98-3h-.19a3 3 0 1 0-4.57 3.44A4.908 4.908 0 0 0 7 18a4.987 4.987 0 0 0 8.98 3h.19a3 3 0 1 0 4.57-3.44ZM19 21a.994.994 0 0 1-1-.95c0-.02.01-.1.01-.13a1 1 0 0 0-1-1.07.727.727 0 0 0-.25.04 2.625 2.625 0 0 1-1.05.08l-.11-.01a.983.983 0 0 0-1 .5A2.987 2.987 0 0 1 9 18a2.942 2.942 0 0 1 .44-1.53 1.01 1.01 0 0 0 .06-.91.991.991 0 0 0-.71-.58A1 1 0 0 1 9 13a.994.994 0 0 1 1 .95c0 .02-.01.1-.01.13a1.01 1.01 0 0 0 .36.84.988.988 0 0 0 .89.19 2.625 2.625 0 0 1 1.05-.08l.11.01a.983.983 0 0 0 1-.5A2.987 2.987 0 0 1 19 16a2.942 2.942 0 0 1-.44 1.53 1.01 1.01 0 0 0-.06.91.991.991 0 0 0 .71.58A1 1 0 0 1 19 21ZM57 39c-1.869 0-2.773 1.355-3.5 2.445-.663.993-1.075 1.555-1.837 1.555s-1.174-.562-1.837-1.555C49.1 40.356 48.2 39 46.325 39s-2.773 1.356-3.5 2.445c-.661.993-1.073 1.555-1.833 1.555s-1.171-.562-1.833-1.554C38.434 40.356 37.53 39 35.663 39s-2.772 1.356-3.5 2.445C31.5 42.438 31.091 43 30.331 43s-1.172-.562-1.833-1.554C27.771 40.356 26.868 39 25 39a1 1 0 0 0-1 1v1a17 17 0 0 0 34 0v-1a1 1 0 0 0-1-1ZM41 56a15.019 15.019 0 0 1-14.993-14.543 7.4 7.4 0 0 1 .826 1.1c.726 1.089 1.63 2.445 3.5 2.445s2.772-1.356 3.5-2.445C34.49 41.562 34.9 41 35.663 41s1.17.562 1.832 1.554c.726 1.09 1.629 2.446 3.5 2.446s2.772-1.356 3.5-2.445c.657-.993 1.069-1.555 1.83-1.555s1.175.562 1.837 1.555c.727 1.09 1.631 2.445 3.5 2.445s2.774-1.356 3.5-2.445a7.371 7.371 0 0 1 .829-1.1A15.017 15.017 0 0 1 41 56Z"
    />
</svg>
More icons in the same style and category