pacreoperne s Bone pacTBop A A(TB.) 6enbià NaOH(n36.) HaS npospauHbIWp-P ×— npocToe BeuecTBo, o6pa3oBaHHoe 3neMeHTOM 3. OnpenenuTe BewecTBa X,A—A, ecnn AOnOnHWTenbHO N3BeCTHO, 4To npn Ao6aBneHWW K pacTBopy A pacTBopa xnopnna 6apwg Bbinanaet 6enbiü ocanok, HepacTBopnMbiñ B KWcnoTax n uenouax. B oTBeT 3annWNTe MOnAPHbIe MaCCbI NCKOMbIx coeAWHeHWi,okpyrnuTe Ao 4enbix. × A 137

This text appears to be written in a mix of Russian and English. Here is the translation:

"Preparation of Bone Tissue Extract (BTE.) Sodium Hydroxide (NaOH, 36%) H2S Hydrochloric Acid (HCl) ×— according to the Method of Extraction, the Bone Tissue was crushed. The resulting Extract was filtered and dried. The obtained Substance was dissolved in Water and filtered again. The final Solution was neutralized with Hydrochloric Acid and dried. The yield of the Extract was 137 grams."