"Eriochrome Black" CNS Standards List| Method Test | Pressure sensitive | Method test | Wooden walking | Feed Forked | Method Test | Insulation coordination | Method Test | |
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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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