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

Current 181 to 200 , Total 200 Items

1000 ppm

Methyl ethylene glycol chitin standard solution

1000 ppm

$2,500.00

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(Cl-)=1000 ppm

Chloride standard solution for impurity determination

c(Cl-)=1000 ppm

$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(Fe2O3)=1 mg/mL

Standard solution of iron oxide

c(Fe2O3)=1 mg/mL

$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[(NO3)-]=1 mg/mL

Standard solution of nitrate ion

c[(NO3)-]=1 mg/mL

$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(NH4+-N)=10 ppm

Nitrogen standard solution

c(NH4+-N)=10 ppm

$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(P)=10.1 mg/L

phosphorus standard solution for impurity determination

c(P)=10.1 mg/L

$11.00

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(P)=17.3 mg/L

phosphorus standard solution for impurity determination

c(P)=17.3 mg/L

$11.00

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(P)=3.28 mg/L

phosphorus standard solution for impurity determination

c(P)=3.28 mg/L

$11.00

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(Na2C2O4)=1 mg/mL

Sodium oxalate standard solution

c(Na2C2O4)=1 mg/mL

$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.
(CuSO4)=6%(m/v)

Copper sulfate solution

(CuSO4)=6%(m/v)

$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.
(K2Cr2O7)=2%(wt)

Potassium dichromate solution

(K2Cr2O7)=2%(wt)

$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.
(AgNO3)=1.575%(wt)

Silver nitrate standard solution

(AgNO3)=1.575%(wt)

$60.00

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(CoSO4·7H2O)=1 mol/L

Cobalt sulfate heptahydrate standard solution

c(CoSO4·7H2O)=1 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.
(C6H7NO3S)=0.4%(wt)

P-aminobenzene sulfonic acid standard solution

(C6H7NO3S)=0.4%(wt)

$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(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.