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New Zealand Gazette – 2000 – No. 170

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✨ Food Standards Specifications

20 DECEMBER NEW ZEALAND GAZETTE 4549

Specification for high molybdenum yeast

Physical Tests

Appearance:
Fine, free-flowing powder

Colour:
Light off-white or light tan

Odour:
Slight yeast aroma

Particle size:
Min. 85% through a #100 USS screen

Chemical Tests

Moisture:
Maximum 6%

Molybdenum:
1.8 - 2.25 g/kg

Specification for oxidised polyethylene

Oxidised polyethylene (CAS 68441-17-8)[^n] is the polymer produced by the mild air oxidation of polyethylene.

Average molecular weight min 1200 (osmometric)
Viscosity at 125°C min 200cP
Oxygen content max 9.1%
Acid value: (ASTM D 1386)* max 70 mgKOH/g
Drop point: (ASTM D 566)* min 95° C
Density (20°C) (ASTM D 1298, D 1505)* 0.93 - 1.05 g/cm³

Extractable constituents (See note 1):

Solvent	Max extractable %
in water	max. 1.5%
in 10% ethanol	max. 2.3%
in 3% acetic acid	max. 1.8%
in n-pentane	max. 26.0%

[^n]: # CAS is the Chemical Abstracts Service (CAS) Registry Number.

ASTM refers to standard test methods prepared by the American Society for Testing and Materials.

Note 1: Extraction of oxidised Polyethylene

25.0g of finely ground oxidised polyethylene powder (particle size 300-1000mm) are extracted for 5 hours in the Soxhlet apparatus with 350 ml of solvent. The solvent is then distilled off and the distillation residue is dried in a vacuum oven at 80-90°C. After weighing the obtained residue, the components soluble in the solvent are calculated in % weight (based on the initial weight used).

VUW Te Waharoa — NZ Gazette 2000, No 170

Gazette.govt.nz — NZ Gazette 2000, No 170

The Executive Wing of Parliament (depicted) is universally known as The Beehive. It was completed in 1977 and remains the primary office for the elected Government of the day.

✨ LLM interpretation of page content

🏥 Specification for high molybdenum yeast (continued from previous page)

Domain🏥 Health & Social Welfare
KeywordsFood additives, Yeast, Molybdenum, Physical tests, Chemical tests

🏥 Specification for oxidised polyethylene

Domain🏥 Health & Social Welfare
KeywordsFood additives, Oxidised polyethylene, Polymer, Chemical properties, Extractable constituents

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