乐虎国际官方网下载_乐虎app手机版-乐虎国际娱乐登录网址
 

乐虎国际官方网下载_乐虎app手机版-乐虎国际娱乐登录网址 is a white hygroscopic powder or crystalline powder, flakes or granuls, which is odorless. It is easily soluble in water, poorly soluble in ethanol and acetic acid. It is about haft as sweet as sugar with cool sweet taste. Its calorific value is similar to sugar. 乐虎国际官方网下载_乐虎app手机版-乐虎国际娱乐登录网址 is a chemical raw material. which is widely used in surfactant, toothpaste and cosmetics; and can be used as a nutritional sweetener, humectant, chelating and stabilizing agent.

Execution standard: Q/LHCO 18-2015

Item

VC grade

Daily grade

Physical index

Appearance

Colorless and transparent with a sweet viscous liquid

Colorless and sweet viscous liquid

Chemical index

Moisture,%

≤30

≤30

pH(50% aqueous solution)

5.0-7.0

5.0-7.0

Specific rotation (20℃),°

≤5.50

乐虎国际官方网下载_乐虎app手机版-乐虎国际娱乐登录网址 content,%

≥97.0

71.0-83.0

Reducing sugar,%

≤0.15

≤0.15

Total sugar,%

≤0.6

5.0-10.0

Density,g/ml

≥1.285

≥1.285

Refractive index,(20℃)

≥1.4550

≥1.4550

Ignition residue,%

≤0.1

Chloride,mg/kg

≤10

≤5

Sulfate radical,mg/kg

≤50

≤5

Heavy metal,mg/kg

≤1.0

≤1.0

Ferrum,mg/kg

≤2.0

Arsenic,mg/kg

≤1.0

≤1.0

Nickel,mg/kg

≤1.0

≤1.0

Colour and lustre,ml

≤1.0

≤1.0

Total bacterial count,No./ml

≤100

Mycete,No./ml

≤10

Frost resistance and crystallization tendency

-18℃,48h non crystallization

 
 
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