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General Reference Standards

Current 61 to 80 , Total 200 Items

  • List Style
  • Sodium hydroxide standard solution c(NaOH)=8 mmol/L
    Sodium hydroxide standard solution c(NaOH)=8 mmol/L
    c(NaOH)=8 mmol/L 
    Sodium hydroxide standard solution

    c(NaOH)=8 mmol/L 

    $15.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Ammonium molybdate standard solution c[(NH4)2MoO4]=2/7 mol/L
    Ammonium molybdate standard solution c[(NH4)2MoO4]=2/7 mol/L
    c[(NH4)2MoO4]=2/7 mol/L 
    Ammonium molybdate standard solution

    c[(NH4)2MoO4]=2/7 mol/L 

    $Enquiry

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Sodium hypochlorite solution (有效氯)=4%(wt)
    Sodium hypochlorite solution (有效氯)=4%(wt)
    (有效氯)=4%(wt) 
    Sodium hypochlorite solution

    (有效氯)=4%(wt) 

    $32.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Catalase solution 3%
    Catalase solution 3%
    3% 
    Catalase solution

    3% 

    $120.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Nitrite standard solution for impurity determination c(NO2-)=100 mg/L
    Nitrite standard solution for impurity determination c(NO2-)=100 mg/L
    c(NO2-)=100 mg/L 
    Nitrite standard solution for impurity determination

    c(NO2-)=100 mg/L 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Lead nitrate standard titration solution c(Pb2+)=0.1 mg/mL
    Lead nitrate standard titration solution c(Pb2+)=0.1 mg/mL
    c(Pb2+)=0.1 mg/mL 
    Lead nitrate standard titration solution

    c(Pb2+)=0.1 mg/mL 

    $Enquiry

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Sudan III Dye solution (C22H16N4O)=0.5%(wt)
    Sudan III Dye solution (C22H16N4O)=0.5%(wt)
    (C22H16N4O)=0.5%(wt) 
    Sudan III Dye solution

    (C22H16N4O)=0.5%(wt) 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Jian Na Green Dye liquid (C30H31ClN6)=0.5%(wt)
    Jian Na Green Dye liquid (C30H31ClN6)=0.5%(wt)
    (C30H31ClN6)=0.5%(wt) 
    Jian Na Green Dye liquid

    (C30H31ClN6)=0.5%(wt) 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Flaminophen reagent BR,1 mol/L
    Flaminophen reagent BR,1 mol/L
    BR,1 mol/L 
    Flaminophen reagent

    BR,1 mol/L 

    $120.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Ammonium ferrous sulfate reducing agent c[(NH4)2Fe(SO4)2·6H2O]=12 g/L,c(H2SO4)=12 mg/L
    Ammonium ferrous sulfate reducing agent c[(NH4)2Fe(SO4)2·6H2O]=12 g/L,c(H2SO4)=12 mg/L
    c[(NH4)2Fe(SO4)2·6H2O]=12 g/L,c(H2SO4)=12 mg/L 
    Ammonium ferrous sulfate reducing agent

    c[(NH4)2Fe(SO4)2·6H2O]=12 g/L,c(H2SO4)=12 mg/L 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Copper chloride solution (CuCl2)=10%(wt)
    Copper chloride solution (CuCl2)=10%(wt)
    (CuCl2)=10%(wt) 
    Copper chloride solution

    (CuCl2)=10%(wt) 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Aniline blue aqueous solution 1%
    Aniline blue aqueous solution 1%
    1% 
    Aniline blue aqueous solution

    1% 

    $30.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Acryloyl thiourea nitrification inhibitor c(C4H8N2S)=1.0 g/L
    Acryloyl thiourea nitrification inhibitor c(C4H8N2S)=1.0 g/L
    c(C4H8N2S)=1.0 g/L 
    Acryloyl thiourea nitrification inhibitor

    c(C4H8N2S)=1.0 g/L 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Saturated sodium sulfite solution 饱和(285 g/L)
    Saturated sodium sulfite solution 饱和(285 g/L)
    饱和(285 g/L) 
    Saturated sodium sulfite solution

    饱和(285 g/L) 

    $37.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Ammonia nitrogen standard solution c(NH4+-N)=1 mg/mL
    Ammonia nitrogen standard solution c(NH4+-N)=1 mg/mL
    c(NH4+-N)=1 mg/mL 
    Ammonia nitrogen standard solution

    c(NH4+-N)=1 mg/mL 

    $25.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Nitrite standard solution c(NO2-)=1000 mg/L
    Nitrite standard solution c(NO2-)=1000 mg/L
    c(NO2-)=1000 mg/L 
    Nitrite standard solution

    c(NO2-)=1000 mg/L 

    $Enquiry

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Nitrite standard solution c(NO2-)=5000 mg/L
    Nitrite standard solution c(NO2-)=5000 mg/L
    c(NO2-)=5000 mg/L 
    Nitrite standard solution

    c(NO2-)=5000 mg/L 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Carbon dioxide standard solution 5 mg/L
    Carbon dioxide standard solution 5 mg/L
    5 mg/L 
    Carbon dioxide standard solution

    5 mg/L 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Carbon dioxide standard solution 2.5 mg/L
    Carbon dioxide standard solution 2.5 mg/L
    2.5 mg/L 
    Carbon dioxide standard solution

    2.5 mg/L 

    $22.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

  • Permanent residual chlorine standard colorimetric solution 0.1 mg/mL
    Permanent residual chlorine standard colorimetric solution 0.1 mg/mL
    0.1 mg/mL 
    Permanent residual chlorine standard colorimetric solution

    0.1 mg/mL 

    $52.00

    This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.

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