L(+)-Ascorbic Acid for analysis, 100 Gr, MERCK, 100468

-TANYAKAN STOK SEBELUM ORDER-
. L(+)-Ascorbic Acid for analysis EMSURE ACS,Reag. Ph Eur

# HARAP MENANYAKAN STOCK TERLEBIH DAHULU #


Merk : MERCK
Negara : Germany
Catalog No. : 100468.00100
Packing : 100 Gr (Plastic Bottle)

Product Information
CAS number 50-81-7
EC number 200-066-2
Grade ACS,Reag. Ph Eur
Hill Formula C₆H₈O₆
Molar Mass 176.12 g/mol
HS Code 2936 27 00

Specifications
Assay (iodometric) 99.0 - 100.5 %
Identity (IR-spectrum) conforms
Appearance of solution (50 g/l CO₂-free water) clear (≤ 3 NTU) and not so intense in colour than reference solution BY₇
pH (50 g/l CO₂-free water) 2.1 - 2.6
Spec. rotation [α²0/D (100 g/l, water) +20.5 - +21.5 °
Chloride (Cl) ≤ 50 ppm
Sulfate (SO₄) ≤ 20 ppm
Cu (Copper) ≤ 5 ppm
Fe (Iron) ≤ 2 ppm
Heavy metals (ACS) ≤ 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 % .
-- Selamat Berbelanja--