Items

Chp2000

BP2000

USP25

Characteristic

White crystal or crystal line powder, odorless, taste sweet

A white, crystalline powder, with a sweet taste

/

Identification

meets the requirements

meets the requirements

meets the requirements

Specific optical rotation

+52.6-53.2⁰[α]D25

+52.5-53.3⁰[α]D20

+52.6-53.2⁰[α]D25

Acidity or alkalinity

2.0g 0.02mol/L
NaOH 0.2ml

6.0g, 0.1M
NaOH 0.15ml

5.0g, 0.02ON
NaOH 0.30ml

Clarity and color of solution

meets the requirements

meets the requirements

meets the requirements

Clarity of ethanol solution

meets the requirements

meets the requirements

meets the requirements

Chlorides

≤0.01%

≤125ppm

≤0.018%

Sulphates

≤0.01%

≤200ppm

≤0.025%

Sulphite ad soluble starch

meets the requirements

≤15ppm SO2

meets the requirements

Loss on drying

≤1.0

Water≤1.0%

Water≤0.5%

Residue on ignition

≤0.1%

≤0.1%

≤0.1

Protein

meets the requirements

/

/

Barium

meets the requirements

meets the requirements

/

Calcium

≤0.01%

≤200ppm

/

Ferrous

≤0.001%

/

/

Heavy metals

≤4ppm

/

≤5ppm

Arsenic

≤0.0001T

≤1ppm

≤1ppm

Lead in sugars

/

≤0.5ppm

/

Pyrogens

/

meets the requirements

/