General Reference Standards-Product Catalog-Codow - Standard Substances & Chemical Reagent

Current 121 to 140 , Total 200 Items

c(KF)=1 mol/L

Potassium fluoride standard solution

c(KF)=1 mol/L

$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.
[(NH4)2S2O8]=25%(wt)

Ammonium persulfate solution

[(NH4)2S2O8]=25%(wt)

$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.
c(NaI)=10 g/L

Sodium iodide standard solution

c(NaI)=10 g/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.
0.5 mg/L

No need for chlorine water

0.5 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.
c[H2N·C6H4·N(C2N5)2·H2SO4·5H2O]=1.5 g/L

N. N-diethyl-p-phenylenediamine sulfate solution

c[H2N·C6H4·N(C2N5)2·H2SO4·5H2O]=1.5 g/L

$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.
c(Na2EDTA·2H2O)=0.5 mol/L,pH=7.9-8.1(25℃)

Na2EDTA dihydrate solution

c(Na2EDTA·2H2O)=0.5 mol/L,pH=7.9-8.1(25℃)

$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.
c[NH4Fe(SO4)2·12H2O]=0.2 mol/L

Ammonium ferric sulfate solution

c[NH4Fe(SO4)2·12H2O]=0.2 mol/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.
(C12H22O11)=40%(wt)

Sucrose solution

(C12H22O11)=40%(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.
c[NH4Fe(SO4)2]=0.02 mol/L

Ammonium ferric sulfate test solution

c[NH4Fe(SO4)2]=0.02 mol/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.
c(Cu-EDTA)=0.025 mol/L

Sodium copper ethylenediaminetetraacetate standard solution

c(Cu-EDTA)=0.025 mol/L

$250.00

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.
c(BaCl2)=0.2 mol/L

Barium chloride standard solution

c(BaCl2)=0.2 mol/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.
c(KMnO4)=0.022 mol/L

Potassium permanganate standard solution

c(KMnO4)=0.022 mol/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.
pH=8.5(25℃)

Color reference solution (pH=8.5)

pH=8.5(25℃)

$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.
c(C6H8O6)=40 g/L

Ascorbic acid solution

c(C6H8O6)=40 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.
c[Fe2(SO4)3]=0.01 mol/L

Standard solution of ferric sulfate

c[Fe2(SO4)3]=0.01 mol/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.
c(CH3COOH)=0.8 mol/L

Acetic acid solution

c(CH3COOH)=0.8 mol/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.
c(H2SO4)=0.005 mol/L

Absorbent liquid

c(H2SO4)=0.005 mol/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.
84 μS/cm(25℃)

Potassium chloride conductivity solution

84 μS/cm(25℃)

$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.
c(NH4+-N)=2.5 mg/L

Nitrogen standard solution

c(NH4+-N)=2.5 mg/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.
c(NaOH)=4 mol/L,c(KI)=0.1 mol/L,c(NH4Cl)=0.1 mol/L

Mixed standard solution

c(NaOH)=4 mol/L,c(KI)=0.1 mol/L,c(NH4Cl)=0.1 mol/L

$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.