



Step 1: Collect sumac berries and soak them







<p>Here I have 36 g of tannic acid in the form of 90% Pyrogallol. Here 20% of the tannic soluble equals 7.2 g pyrogallol. However only 1 g per 1.3 ml dissolves at 20 degrees C.</p><p>1.0 grams pyrogallol/1.7 ml * 175 ml = 102.9 g in 175 ml. (Max).</p><p><a href="https://pubchem.ncbi.nlm.nih.gov/compound/pyrogallol#section=Solubility">https://pubchem.ncbi.nlm.nih.gov/compound/pyrogall...</a></p><p>7.2 g*0.90 = 6.48 g pyrogallol.</p>
<p style="margin-left: 20.0px;">Here are two pictures. One is 25 grams of calcium carbonate added to the sulfuric acid. The ph was near 7.1. The other pic is the filtered final solution in two days of boiling near 80 to 100 degrees C.</p>
<p>Here is a image of the solution turning dark purple pink while boiling.</p>
<p>Athough 5%-1% = 4% We round 3.7% to 4%. So 3.7 to 4% sulfuric acid is fine.</p>
<p>Here is the color (pink red when) when mostly water with some weak sulfuric acid has been boiling for 5 hours.</p><p>5% sulfuric acid in 100 ml. Mostly water. 100 g * 0.95 = 95 g + 405 ml = 500 ml.</p><p>20 g H2SO4/ 500 + 20 *100% =3.77% sulfuric acid.</p><p>Here is a picture.</p>
<p>Here is a hot water bath were the solution of sulfuric acid is kept at 70 degrees C and a yellow color is appearing. Polytannins converting into gallic acid.</p>
<p>Here is a photo of 0.2 moles per L sulfuric acid with 36 g of stag horn sumac fruit.</p><p>Tannic acid present in different form: 7.2 g.</p>
<p>0.4 moles * 1/2 * 98g (Atm of sulfuric acid) = 19.6 g Sulfuric acid.</p><p>CaCO3 + H2SO4 &gt;&gt;&gt;&gt; CaSO4 + CO2 + H20.</p><p>1:1 ratio. </p><p>0.2 moles H2SO4 * 136.14 = 27.22 g Calcium sulfate.</p><p>Calcium carbonate required. 0.2 moles*100 = 20 g required.</p>
<p>The Hydrochloric acid was too strong at 22% so I redid it with weak sulfuric acid. The concentration of sulfuric acid was 0.4 moles H2SO4 per L. Afterwords calcium carbonate will be combined to convert all the sulfuric acid into calcium sulfate (insoluble). Here an initial image. See next comment.</p>
<p>Here is a heated 22% HCl solution with 78% water of the 30 g of sumac. Note the intense yellow color may be the gallic acid being produced. However I am not sure.</p><p>A fawn color repesents gallic acid.</p><p><a href="https://en.wikipedia.org/wiki/Gallic_acid">https://en.wikipedia.org/wiki/Gallic_acid</a></p>
<p>Here is another picture of the hotplate without any water to get the HCl to boil near 108 degrees C.</p>
<p>A total of tannic acid concentration of 6 g. 95% of the tannins are C6H3(OH)3.</p><p>C6H3(OH)3 + CO2 &gt;&gt;&gt;(HCl acid cat) &gt;&gt;&gt; C7H6O5 (aq).</p><p>Acid range 22-31.45% HCl.</p><p>6*0.95 = 5.7 g</p><p>5.7 g * 170.12 g (gallic acid atm)/ 126.11 g = 7.69 g gallic acid.</p><br>
<p>Also boiling chips 7 of them are added to the water to prevent the flask from bumping due to boiling. </p>
<p>Here is an outdoor boiling flask with 22% HCl with 30 g of smooth sumac. Waterbath in a ceramic bowl keeps the HCl near 40 degrees causing it to evaporate more slowly and pass into a sodium carbonate solution. A fan on High blows away any remaining HCl fumes.</p>
<p>Here is the color of the sumac after 2 hours in 25% HCl.</p>
<p>Here is a link to tannic acid levels in berries of sumac. 15-20%.</p><p><a href="http://griffindyeworks.com/understanding-mordants/tannicacid.html">http://griffindyeworks.com/understanding-mordants/...</a></p>
<p>Here the sumac 30 g is being treated with 250 ml of 25% hydrochloric acid. Be very careful with this acid especially above 20%!</p>
<p>Apparently sumac in this form may be able to fight cancers, malaria. </p><p><a href="http://ontariotrees.com/mondaygarden/article.php?id=148">http://ontariotrees.com/mondaygarden/article.php?i...</a></p><p><a href="http://www.eattheweeds.com/sumac-more-than-just-native-lemonade/">http://www.eattheweeds.com/sumac-more-than-just-na...</a></p><p><a href="http://pharmaxchange.info/notes/cognosy/tannins.html">http://pharmaxchange.info/notes/cognosy/tannins.ht...</a></p><p>Treatment with boiling HCl converts the tannic acid into gallic acid which can attack DNA.</p>

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