MERCK Ascorbic Acid for analysis EMSURE 1 kg


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Rp. 7,797,778
Katalog 1.00468.1000
Brand Merck
Kondisi New
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Harga dan Ketersediaan

Katalog 1.00468.1000
Ukuran 1 kg
Ketersedian Hubungi Kami
Harga Rp. 7,797,778
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Ascorbic Acid for analysis EMSURE

Physicochemical Information
Density 1.65 g/cm3 (20 °C)
Ignition temperature 380 °C
Melting Point 190 - 192 °C (penguraian)
pH value 2.2 - 2.5 (50 g/l, H?O, 20 °C)
Vapor pressure (20 °C)
Bulk density 500 - 900 kg/m3
Solubility 330 g/l (24 °C)
Safety Information according to GHS
RTECS CI7650000
Storage class 10 - 13 Cairan dan padatan lain
WGK WGK 1 agak berbahaya untuk air

Storage and Shipping Information
Storage Simpan pada +5°C hingga +30°C.
Specifications
Specifications  
Assay (iodometric) 99.7 - 100.5 %
Identity (IR-spectrum) conforms
Appearance white or almost white, cristalline powder
Appearance of solution (50?g/l CO?-free water) clear (≤ 3 NTU) and not so intense in colour than reference solution BY?
pH (50?g/l CO?-free water) 2.1 - 2.6
Spec. rotation [α²0/D (100?g/l, water) 20.5 - 21.5 °
Chloride (Cl) ≤ 50 ppm
Sulphate (SO?) ≤ 20 ppm
Cu (Copper) ≤ 5 ppm
Fe (Iron) ≤ 2 ppm
Heavy metals (as Pb) ≤ 10 ppm
Oxalic acid ≤ 0.2 %
Related substances (HPLC) (Impurity C) ≤ 0.15 %
Related substances (HPLC) (Impurity D) ≤ 0.15 %
Related substances (HPLC) (unspecified impurities singly) ≤ 0.10 %
Related substances (HPLC) (sum of impurities (except impurity A and D)) ≤ 0.2 %
Sulfated ash (600?°C) ≤ 0.05 %
Loss on drying (105?°C) ≤ 0.1 %

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