Alizarin red S mono sodiumsalt (C.I. 58005) for analysis and indicator

Rp. 1.663.200

Update Terakhir

21 Sep 2021

Negara Asal

Germany

Pembelian Min

1 Gram

Kategori

Bahan Kimia

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Spesifikasi Alizarin red S mono sodiumsalt (C.I. 58005) for analysis and indicator

Alizarin red S mono sodiumsalt (C.I. 58005) for analysis and indicator

Laboratory Reagents

Description
Catalogue Number	106278

Specifications
Identity (UV/VIS-Spectrum)	passes test
1st transition range	pH 4.3 - pH 6.3 Lightly yellow - pink
2nd transition range	pH 9.4 - pH 12.0 Brown orange - violet
Absorption maximum λ 1 (buffer pH 4.3)	418 - 424 nm
Absorption maximum λ 2 (buffer pH 6.3)	510 - 517 nm
Absorption maximum λ 3 (buffer pH 9.4)	444 - 450 nm
Absorption maximum λ 4 (buffer pH 12.0)	554 - 558 nm
Spec. Absorptivity A 1%/1cm (λ1max; 0.01 g/l; buffer pH 4.3; calc. on dried substance)	135 - 180
Spec. Absorptivity A 1%/1cm (λ2max; 0.01 g/l; buffer pH 6.3; calc. on dried substance)	145 - 210
Spec. Absorptivity A 1%/1cm (λ3max; 0.01 g/l; buffer pH 9.4; calc. on dried substance)	170 - 230
Spec. Absorptivity A 1%/1cm (λ4max; 0.01 g/l; buffer pH 12.0; calc. on dried substance)	340 - 520
Loss on drying (110 °C)	≤ 10 %