Name:

Kappa refined carrageenan

Brand

DEHUI

Standard:

E407

Description

Yellowish to colourless

odourless

Methanol, ethanol propane-2-ol content

%

Not more than 0,1 % singly or in combination

Viscosity of a 1,5 % solution at 75°C

mPa.s

Not less than 5 mPa.s

Loss on Drying

%

Not more than 12 % (105°C, four hours)

Sulphate

%

Not less than 15 % and not more than 40 % on the dried basis (as SO4)

Ash

%

Not less than 15 % and not more than 40 % determined on the dried basis at 550°C  

Acid-insoluble ash

%

Not more than 1 % on the dried basis

(insoluble in 10 % hydrochloric acid)

Acid-insoluble matter

%

Not more than 2 % on the dried basis

(insoluble in 1 % v/v sulphuric acid)

Low molecular weight carrageenan (Molecular weight fraction below50 kDa)

%

Not more than 5 %

Arsenic

Not more than 3 mg/kg

Lead

Not more than 5 mg/kg

Mercury

Not more than 1 mg/kg

Cadmium

Not more than 1 mg/kg

Total plate count

Not more than 5 000 colonies per gram

Yeast and moulds

Not more than 300 colonies per gram

Escherichia Coli

Negative in 5 g

Salmonella spp.

Negative in 10 g

Appearance and Colour

Mobility powder white or ash white

PH value(1.5% w/w, 75°C)

7-10

Trans Parency (0.5%w/w,496nm With water clarity 100% 1cm)

Not less than 90%

Potassium Gel Strength g/cm2 (0.8%, 20°C)

1.5%+0.2%KCL(w/w)at20°C 10h

Not less than 1300 g/cm2

Water gel strength 1.5%L(w/w)at20°C 10h

Not more than 500 g/cm2

Partical size

85% crossed 120mesh