Reagentes

Mostrando 1–12 de 58 resultados

  • ACETONA PA EMSURE EMB 1L – MERCK

    Acetona EMSURE PA, ACS,ISO,Reag. Ph Eur
    Embalagem 1000mL

    Purity GC >= 99.8%
    Identity IR conforms
    Appearance of solution conforms
    Solubility in water conforms
    Water-insoluble substances conforms
    Colour <= 10 Hazen
    Density d 20 °C/20 °C 0.790 – 0.793
    Acidity or alkalinity conforms
    Titrable acid <= 0.0002 meq/g
    Titrable base <= 0.0002 meq/g
    Cyclohexane GC <= 0.1%
    Diacetone GC <= 0.02%
    Ethanol GC <= 0.01%
    Methanol GC <= 0.05%
    2-Propanol GC <= 0.05%
    Related substances GC conforms
    Aldehydes as formaldehyde <= 0.001%
    Substances reducing potassium permanganate as O <= 0.00025 %
    Reducing substances conforms
    Chloride (Cl) <= 100 ppb
    Nitrate (NO3) <= 100 ppb
    Phosphate (PO4) <= 100 ppb
    Sulphate (SO4) <= 100 ppb
    Ag (Silver) <= 0.000002 %
    Al (Aluminium) <= 0.00005 %
    As (Arsenic) <= 0.000002 %
    Au (Gold) <= 0.000002 %
    B (Boron) <= 0.000002 %
    Ba (Barium) <= 0.00001 %
    Be (Beryllium) <= 0.000002 %
    Bi (Bismuth) <= 0.000002 %
    Ca (Calcium) <= 0.00005 %
    Cd (Cadmium) <= 0.000005 %
    Co (Cobalt) <= 0.000002 %
    Cr (Chromium) <= 0.000002 %
    Cu (Copper) <= 0.000002 %
    Fe (Iron) <= 0.00001 %
    Ga (Gallium) <= 0.000002 %
    Ge (Germanium) <= 0.000002 %
    In (Indium) <= 0.000002 %
    Li (Lithium) <= 0.000005 %
    Mg (Magnesium) <= 0.00001 %
    Mn (Manganese) <= 0.000002 %
    Mo (Molybdenum) <= 0.000002 %
    Ni (Nickel) <= 0.000002 %
    Pb (Lead) <= 0.00001 %
    Sb (Antimony) <= 0.000002 %
    Sn (Tin) <= 0.00001 %
    Ti (Titanium) <= 0.000002 %
    Tl (Thallium) <= 0.000002 %
    V (Vanadium) <= 0.000002 %
    Zn (Zinc) <= 0.00001 %
    Zr (Zirconium) <= 0.000002 %
    Evaporation residue <= 0.0005 %
    Water <= 0.05 %

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  • ACETONITRILA HPLC LICHROSOLV EMB 4L – MERCK

    ACETONITRILA HPLC GRAU GRADIENTE LICHROSOLV Rea Ph Eur
    Embalagem 4L

    Purity GC min 99.9 %
    Identity IR conforms
    Residue on evaporating max 2.0mg/l
    Water max 0.02%
    Colour max 10 Hazen
    Acidity max 0.0002 meq/g
    Alkalinity max 0.0002 meq/g
    Gradient grade at 210 nm max 1.0mAU
    Gradient grade at 254 nm max 0.5mAU
    Fluorescence as quinine at 254 nm max 1.0ppb
    Fluorescence as quinine at 365 nm max 0.5ppb
    Transmission at 193 nm min 60%
    Transmission at 195 nm min 80%
    Transmission from 230nm min 98%
    Filtered by 0.2 µm filter

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  • ÁCIDO ACÉTICO GLACIAL ANIDRO PA EMSURE MERCK – EMB 1L

    ÁCIDO ACÉTICO GLACIAL 100% ANIDRO PA EMSURE ACS ISO MERCK
    Embalagem 1L

    Assay acidimetric min 99.8 %
    Colour max 10 Hazen
    Acetaldehyde max 2 ppm
    Acetic anhydride max 100 ppm
    Titratable base max 0.0004 meq/g
    Solidification temperature min 16.3 °C
    Chloride (Cl) max 0.4 ppm
    Phosphate (PO4) max 0.4 ppm
    Heavy metals as Pb max 0.5 ppm
    Sulphate (SO4) max 0.4 ppm
    Ag (Silver) max 0.005 ppm
    Al (Aluminium) max 0.020 ppm
    As (Arsenic) max 0.010 ppm
    Au (Gold) max 0.010 ppm
    B (Boron) max 0.100 ppm
    Ba (Barium) max 0.010 ppm
    Be (Beryllium) max 0.005 ppm
    Bi (Bismuth) max 0.050 ppm
    Ca (Calcium) max 0.100 ppm
    Cd (Cadmium) max 0.020 ppm
    Co (Cobalt) max 0.010 ppm
    Cr (Chromium) max 0.020 ppm
    Cu (Copper) max 0.010 ppm
    Fe (Iron) max 0.050 ppm
    Ga (Gallium) max 0.050 ppm
    Ge (Germanium) max 0.020 ppm
    Hg (Mercury) max 0.005 ppm
    In (Indium) max 0.050 ppm
    K (Potassium) max 0.100 ppm
    Li (Lithium) max 0.010 ppm
    Mg (Magnesium) max 0.050 ppm
    Mn (Manganese) max 0.010 ppm
    Mo (Molybdenum) max 0.010 ppm
    Na (Sodium) max 0.200 ppm
    Ni (Nickel) max 0.020 ppm
    Pb (Lead) max 0.010 ppm
    Pt (Platinum) max 0.100 ppm
    Sn (Tin) max 0.050 ppm
    Sr (Strontium) max 0.010 ppm
    Ti (Titanium) max 0.050 ppm
    Tl (Thallium) max 0.020 ppm
    V (Vanadium) max 0.010 ppm
    Zn (Zinc) max 0.030 ppm
    Zr (Zirconium) max 0.050 ppm
    Substances reducing potassium dichromate passes test
    Substances reducing potassium permanganate max 20 ppm
    Non volatile matter max 5 ppm
    Dilution test passes test
    Date of expiry: see product label ACS, ISO-reag.

    VALIDADE: 2 ANOS

    REGISTRO NO MINISTERIO DA SAUDE
    De acordo com a Legislação Federal em vigor no Brasil, em especial a lei Federal n.º 360 de 23/09/76, o Decreto n.º 79.094 de 05/01/77 Resoluções: RDC n.º 185 e 260 de 22/10/01 e 23/09/02 respectivamente, a Agencia nacional de Vigilância Sanitária – ANVISA – no enquadramento sanitário de produtos para saúde classificou este produto como “PRODUTO NÃO CONSIDERADO PARA SAÚDE”, o qual não necesita de qualquer autorização da ANVISA para sua gabricação, importação, expostação, comercialização, exposição a venda ou entrega ao consumo, que pode ser confirmado no site www.anvisa.gov.br .

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  • ÁCIDO CLORÍDRICO FUMEGANTE 37% PA EMSURE MERCK – EMB 1L

    ÁCIDO CLORÍDRICO 37% PA EMSURE ACS ISO FUMEGANTE MERCK
    Embalagem 1 L.

    Especificações:
    Cont por acidimetria min 37.0 %
    Cor max 10 Hazen
    Bromide (Br) max 50 ppm
    Free chlorine Cl max 0.4 ppm
    Phosphate (PO4) max 0.5 ppm
    Sulphate (SO4) max 0.5 ppm
    Sulfite SO3 max 0.5 ppm
    Ag (Silver) max 0.020 ppm
    Al (Aluminium) max 0.050 ppm
    As (Arsenic) max 0.010 ppm
    Au (Gold) max 0.050 ppm
    B (Boron) max 0.100 ppm
    Ba (Barium) max 0.010 ppm
    Be (Beryllium) max 0.010 ppm
    Bi (Bismuth) max 0.050 ppm
    Ca (Calcium) max 0.300 ppm
    Cd (Cadmium) max 0.010 ppm
    Co (Cobalt) max 0.010 ppm
    Cr (Chromium) max 0.010 ppm
    Cu (Copper) max 0.010 ppm
    Fe (Iron) max 0.100 ppm
    Ga (Gallium) max 0.050 ppm
    Ge (Germanium) max 0.020 ppm
    Hg (Mercury) max 0.010 ppm
    K (Potassium) max 0.100 ppm
    Li (Lithium) max 0.010 ppm
    Mg (Magnesium) max 0.050 ppm
    Mn (Manganese) max 0.010 ppm
    Mo (Molybdenum) max 0.010 ppm
    NH4 (Ammonium) max 1 ppm
    Na (Sodium) max 0.300 ppm
    Ni (Nickel) max 0.020 ppm
    Pb (Lead) max 0.010 ppm
    Pt (Platinum) max 0.100 ppm
    Sn (Tin) max 0.050 ppm
    Sr (Strontium) max 0.010 ppm
    Ti (Titanium) max 0.020 ppm
    Tl (Thallium) max 0.020 ppm
    V (Vanadium) max 0.010 ppm
    Zn (Zinc) max 0.050 ppm
    Zr (Zirconium) max 0.020 ppm
    Residue on ignition as SO4 max 3 ppm
    ISO – Reag.
    Date of expiry: see product label

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  • ÁCIDO NÍTRICO 65% PA EMSURE EMB 1L – MERCK

    ÁCIDO NÍTRICO 65% PA EMSURE ISO MERCK
    Embalagem 1L

    Assay acidimetric min 65.0 %
    Chloride (Cl) max 0.2 ppm
    Phosphate (PO4) max 0.2 ppm
    Sulphate (SO4) max 0.5 ppm
    Ag (Silver) max 0.010 ppm
    Al (Aluminium) max 0.050 ppm
    As (Arsenic) max 0.010 ppm
    Au (Gold) max 0.050 ppm
    Ba (Barium) max 0.010 ppm
    Be (Beryllium) max 0.010 ppm
    Bi (Bismuth) max 0.020 ppm
    Ca (Calcium) max 0.100 ppm
    Cd (Cadmium) max 0.010 ppm
    Co (Cobalt) max 0.010 ppm
    Cr (Chromium) max 0.020 ppm
    Cu (Copper) max 0.010 ppm
    Fe (Iron) max 0.100 ppm
    Ga (Gallium) max 0.050 ppm
    Ge (Germanium) max 0.020 ppm
    In (Indium) max 0.020 ppm
    K (Potassium) max 0.100 ppm
    Li (Lithium) max 0.010 ppm
    Mg (Magnesium) max 0.050 ppm
    Mn (Manganese) max 0.010 ppm
    Mo (Molybdenum) max 0.010 ppm
    Na (Sodium) max 0.200 ppm
    Ni (Nickel) max 0.020 ppm
    Pb (Lead) max 0.010 ppm
    Pt (Platinum) max 0.100 ppm
    Sr (Strontium) max 0.010 ppm
    Ti (Titanium) max 0.020 ppm
    Tl (Thallium) max 0.020 ppm
    V (Vanadium) max 0.010 ppm
    Zn (Zinc) max 0.020 ppm
    Zr (Zirconium) max 0.020 ppm
    Residue on ignition as SO4 max 3 ppm
    Tested by the dithizone passes test
    ISO-reagent

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  • ÁCIDO NÍTRICO 65% PA EMSURE MERCK – EMB 1L

    ÁCIDO NÍTRICO 65% PA EMSURE ISO MERCK
    Embalagem 1L

    Assay acidimetric min 65.0 %
    Chloride (Cl) max 0.2 ppm
    Phosphate (PO4) max 0.2 ppm
    Sulphate (SO4) max 0.5 ppm
    Ag (Silver) max 0.010 ppm
    Al (Aluminium) max 0.050 ppm
    As (Arsenic) max 0.010 ppm
    Au (Gold) max 0.050 ppm
    Ba (Barium) max 0.010 ppm
    Be (Beryllium) max 0.010 ppm
    Bi (Bismuth) max 0.020 ppm
    Ca (Calcium) max 0.100 ppm
    Cd (Cadmium) max 0.010 ppm
    Co (Cobalt) max 0.010 ppm
    Cr (Chromium) max 0.020 ppm
    Cu (Copper) max 0.010 ppm
    Fe (Iron) max 0.100 ppm
    Ga (Gallium) max 0.050 ppm
    Ge (Germanium) max 0.020 ppm
    In (Indium) max 0.020 ppm
    K (Potassium) max 0.100 ppm
    Li (Lithium) max 0.010 ppm
    Mg (Magnesium) max 0.050 ppm
    Mn (Manganese) max 0.010 ppm
    Mo (Molybdenum) max 0.010 ppm
    Na (Sodium) max 0.200 ppm
    Ni (Nickel) max 0.020 ppm
    Pb (Lead) max 0.010 ppm
    Pt (Platinum) max 0.100 ppm
    Sr (Strontium) max 0.010 ppm
    Ti (Titanium) max 0.020 ppm
    Tl (Thallium) max 0.020 ppm
    V (Vanadium) max 0.010 ppm
    Zn (Zinc) max 0.020 ppm
    Zr (Zirconium) max 0.020 ppm
    Residue on ignition as SO4 max 3 ppm
    Tested by the dithizone passes test
    ISO-reagent

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  • ÁCIDO ORTO-FOSFÓRICO 85% EMB 1L – MERCK

    Ácido orto-fosfórico 85% EMSURE PA, ACS (XAROPOSO),ISO,Reag. Ph Eur MERCK
    EMSURE® ACS,ISO,Reag. Ph Eur
    Embalagem 1 L.

    Especificações:
    Assay acidimetric min 85.0 %
    Chloride (Cl) max 2 ppm
    Fluoride (F) max 1 ppm
    Nitrate (NO3) max 3 ppm
    Phosphite and Hypophosphite as H3PO3 max 20 ppm
    Sulphate (SO4) max 20 ppm
    As (Arsenic) max 0.5 ppm
    Ca (Calcium) max 50 ppm
    Cd (Cadmium) max 0.5 ppm
    Co (Cobalt) max 0.5 ppm
    Cu (Copper) max 0.5 ppm
    Fe (Iron) max 10 ppm
    K (Potassium) max 5 ppm
    Mg (Magnesium) max 5 ppm
    Mn (Manganese) max 0.5 ppm
    Na (Sodium) max 200 ppm
    Ni (Nickel) max 1 ppm
    Pb (Lead) max 0.5 ppm
    Sb (Antimony) max 5 ppm
    Zn (Zinc) max 2 ppm
    Volatile acids as CH3COOH max 10 ppm
    Substances reducing potassium permanganate as O max 10 ppm
    S ISO-reagent

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  • ÁCIDO SULFÚRICO 95-97% EMSURE MERCK – EMB 1L

    Ácido sulfúrico 95-97% EMSURE PA, ISO MERCK
    Embalagem 1L

    Assay (acidimetric) 95.0 – 97.0%
    Colour max 10 Hazen
    Chloride (Cl) max 0.1 ppm
    Nitrate (NO3) max 0.2 ppm
    Phosphate (PO4) max 0.5 ppm
    Ag (Silver) max 0.010 ppm
    Al (Aluminium) max 0.050 ppm
    As (Arsenic) max 0.010 ppm
    Au (Gold) max 0.050 ppm
    B (Boron) max 0.050 ppm
    Ba (Barium) max 0.050 ppm
    Be (Beryllium) max 0.010 ppm
    Bi (Bismuth) max 0.050 ppm
    Ca (Calcium) max 0.100 ppm
    Cd (Cadmium) max 0.010 ppm
    Co (Cobalt) max 0.010 ppm
    Cr (Chromium) max 0.020 ppm
    Cu (Copper) max 0.010 ppm
    Fe (Iron) max 0.100 ppm
    Ga (Gallium) max 0.050 ppm
    Ge (Germanium) max 0.020 ppm
    In (Indium) max 0.050 ppm
    K (Potassium) max 0.100 ppm
    Li (Lithium) max 0.010 ppm
    Mg (Magnesium) max 0.050 ppm
    Mn (Manganese) max 0.010 ppm
    Mo (Molybdenum) max 0.020 ppm
    Na (Sodium) max 0.300 ppm
    NH4 (Ammonium) max 1 ppm
    Ni (Nickel) max 0.020 ppm
    Pb (Lead) max 0.010 ppm
    Pt (Platinum) max 0.100 ppm
    Sn (Tin) max 0.050 ppm
    Sr (Strontium) max 0.010 ppm
    Ti (Titanium) max 0.020 ppm
    Tl (Thallium) max 0.020 ppm
    V (Vanadium) max 0.010 ppm
    Zn (Zinc) max 0.050 ppm
    Zr (Zirconium) max 0.020 ppm
    Substances reducing potassium permanganate as SO2 max 2ppm
    Residue on ignition max 3 ppm
    Date of expiry: see product label ISO-Reagent

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  • ÁCIDO TRICLOROACÉTICO PA 250GR – MERCK

    Assay acidimetric min 99.5%
    Identity IR-spectrum passes test
    Chloride (Cl) max 10ppm
    Nitrate (NO3) max 20ppm
    Phosphate (PO4) max 5ppm
    Sulphate (SO4) max 200ppm
    Cu (Copper) max 5ppm
    Fe (Iron) max 10ppm
    Heavy metals as Pb max 20ppm
    Readily carbonizable substances passes test
    Sulfated ash 600 °C max 300ppm
    Corresponds to ACS

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  • ÁGUA GRAU GRADIENTE LCMS UPLC UHPLC LICHROSOLV 1L – MERCK

    Água para HPLC.
    Especificação:
    – Resíduo de evaporação máximo (mg/l): 5
    – Gradiente em nm (máx. mAU): 210 235 254
    5,0 – 0,5
    – Fluorescência* em nm (máx.ppb): 254 365
    1,0 0,5
    *Calculado como Quinina em 0,05 mol/l H2SO4.

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