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BÀI GIẢNG HÓA PHÂN TÍCH TS. GVC. HOÀNG THỊ HUỆ AN

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MỘT SỐ CHỈ <strong>THỊ</strong> OXY <strong>HÓA</strong> – KHỬ THÔNG DỤNG<br />

Chỉ thị<br />

Màu sắc<br />

E 0 (V)<br />

Ind ox<br />

Ind Kh<br />

(ở pH = 0)<br />

Xanh Metylen<br />

Lơ đậm<br />

Không màu<br />

0,53<br />

Diphenylamin<br />

Tím<br />

Không màu<br />

0,76<br />

Acid Diphenylamin<br />

Đỏ tím<br />

Không màu<br />

0,80<br />

sulfonic<br />

Ferroin<br />

Lơ nhạt<br />

Đỏ<br />

1,06<br />

Acid Phenylanthranilic<br />

Tím đỏ<br />

Không màu<br />

1,08

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