CNS Standards Solution

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Chinese National Standards 中華民國國家標準 - Taiwan 台灣 -

"Eriochrome Black " CNS Standards List

K-Chemical Industry

CNS 1709 2020 Edition
Eriochrome Black T [ 1-(1-Hydroxy-2-Naphthylazo)-6-Nitro-2-Naphthol-4-Sulfonic Acid Sodium Salt ]
化學試藥（毛染鉻黑Ｔ）

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