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    Product name Specifications Packing Unit price / yuan
    Standard solution of-< br > nitrogen in light oil 5ng/ml < br > 10ng/ml < br > 50ng/ml < br > 100ng/ml < br > 200ng/ml 5ml × 5
    Standard solution of-< br > phenol in light oil 5ng/ml < br > 10ng/ml < br > 50ng/ml < br > 100ng/ml < br > 200ng/ml 5ml × 5
    Acetic acid 0.1000 mol/L < br > 1.0000 mol/L 50ml
    Antimony trioxide AR 500g
    Antimony trisulfide (antimony sulfide) CP 250g
    Antimony powder AR 25g, 100g
    EDTA-zinc disodium AR 100g
    Zinc iodide AR 100g
    Zinc iodate CP 100g
    Zinc borate CP 500g
    Zinc gluconate AR 100g
    Zinc hydroxide AR 250g
    Zinc carbonate (basic) AR 250g
    Arsenic-free zinc particles AR 500g
    Zinc octanoate AR 250g
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