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Sodium hydroxide standard,Analytical titrant, 0.02M, 5L
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Sodium hydroxide standard,Analytical titrant, 0.01M, 1L
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Potassium tellurite solution,1% in H2O, 10ml
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Potassium tellurite solution,1% in H2O, 50ml
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1，2-Dichlorobenzene,Standard for GC, >99.8%(GC), 5ml
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Benzaldehyde,Standard for GC, 99.5%(GC), 5ml
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1-Ethoxy-2-propanol,Standard for GC, ≥99.5%(GC), 5ml
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DBE-5 dibasic ester,standard for GC, ≥99.5%(GC), 5ml
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Folin-Ciocalteu’S phenol reagent,BR, 500ml
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Folin-Ciocalteu’S phenol reagent,BR, 25ml
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Folin-Ciocalteu’S phenol reagent,BR, 2.5L
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