New mau san pham

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Transcript of New mau san pham

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AXIT CACBOXYLICCTTQ: R(COOH)na chcAXIT OXALIC CTPT: C2H2O4CTCT:HOOC-COOHTnh cht vt l: - Tinh th mu trng, khng mi- Tan tt trong nc, tan nhiu trong dung mi hu cn chc

Lm qu tm ha AXIT OXALICAXIT V COxit BazBazDd mui Kim loi ng trc HTC DNGPhn ng este haPhn ng chyHOOC-COOH + 2NaOH NaOOC-COONa+ 2H2OTNH CHT HA HC

HOOC-COOH + Na2O NaOOC-COONa+ H2O

HOOC-COOH + Ca (COO)2Ca + 2H2HOOC-COOH + 2NaHCO3 NaOOC-COONa + 2H2O + 2CO2C2H2O4 + 1/2O2 2CO2 + H2O

HOOC-COOH+ 2ROH ROOC-COOR+ 2H2O(xt: H2SO4, t0)

NG DNG CAAXIT OXALIC

CU TO THN

CHC NNG THN

C ch gy bnh si thn

HOOC-COOH

Ca2+

(COO)2Ca

H+

HP THU QUA RUTLNG DCH VCa2+Ca2+Ca2+Ca2+Ca2+Ca2+Ca2+Ca2+Ca2+Ca2+

CCH PHNG NGA

Thc hin cc bin php s ch, ch bin lm gim hm lng axit oxalic nh: ngm, ra, lucHn ch n thc phm cha nhiu axit oxalic hoc oxalat

n ung c khoa hc, ch trong vic kt hp cc loi thc n, ung vi nhau Ung nc, nc cam, chanh

XIN CHN THNH CM N QU THY C V CC BN CH LNG NGHE! 10