偶氮化合物 /偶氮萘化合物螯合剂

32215054

媒介黑17

Mordant Black 17 [Indicator for Complexometry]

2538-85-4　

25g

32215055

PAN[=1-(2-吡啶偶氮)-2-萘酚]

PAN [=1-(2-Pyridylazo)-2-naphthol] [Metal indicator and spectrophotometric reagent for transition metals]

85-85-8　

>980%(HPLC)(T)

1g/5g

32215056

TAN[=1-(2-噻唑偶氮)-2-萘酚]

TAN [=1-(2-Thiazolylazo)-2-naphthol] [Spectrophotometric reagent for transition metals]

1147-56-4　

>990%(T)

1g/5g

32215057

二甲苯偶氮紫II

Xylylazo Violet II [Spectrophotometric reagent for Mg]

523-67-1　

>950%(HPLC)

1g/5g

32215058

二甲苯偶氮紫I

Xylylazo Violet I [Spectrophotometric reagent for Mg]

14936-97-1　

1g/5g

32215059

二甲基偶氮磺III

Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]

14979-11-4　

1g/5g/

32215060

偶氮磺III

Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]

68504-35-8　

>900%(HPLC)

1g/5g

32215061

H-间苯二酚

H-Resorcinol [Spectrophotometric reagent for the determination of B by FIA]

3627-01-8　

>970%(HPLC)

1g

32215062

钙镁试剂

Calmagite [Metal indicator for Ca, Mg etc]

3147-14-6　

1g/5g

32215063

2-(4-磺基苯偶氮）-1,8-二羟基萘-3,6-二磺酸三钠盐水合物

Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate

23647-14-5　

>950%(HPLC)

5g/25g

32215064

羊毛铬黑T

Eriochrome Black T

1787-61-7　

25g

32215065

钍试剂水合物

Thorin Hydrate [for Determination of Th, etc]

3688-92-4　

>900%(T)

1g/25g

32215066

2-羟基-1-(2-羟基-4-磺基-1-萘基偶氮)-3-萘甲酸(1:100用硫酸钾稀释)

2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid (1:100 diluted with K2SO4)

3737-95-9　

1g/25g