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citric acid monohydrate
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指标项目

Items

指标值

Standard Values

实测值

Actual values

外观

Outward

无色或白色晶体

Colorless or white crystals

白色晶体

white crystals

色泽澄清度

Color clarity

20%水溶液澄清

20 % aqueous clarification

符合试验

Comply with the test

主含量

Main content

99.5-100.5

99.7%

水份含量

water content

≤9.0%

8.68%

碳酸灰份

Carbonic ash

≤0.05%

0.01%

透光率

transmittance

≥95.5%

99.2%

硫酸盐

sulfate

≤20ppm

<20 ppm

氯化物

chloride

≤5 ppm

<5 ppm

钙盐

Calcium salt

≤20ppm

<20 ppm

重金属

heavy metal

≤1 ppm

<1 ppm

铁(Ca)

≤1 ppm

<1 ppm

草酸盐

oxalate 

≤20 ppm

<20 ppm

易碳化物

readily carbonizable substance

≤1.0

0.42

砷(As)

≤1.0 ppm

<1.0 ppm

铅(Bb)

≤0.5 ppm

<0.5 ppm

水不溶物

water insoluble

时间不超过1分钟,基本不变色,目视可见杂质不超过3个。

No more than 1 minute, basically no discoloration, no more than 3 visible impurities.

符合试验

Comply with the test

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0086 13539810580

Email: iris@yibingchemical.com


Iris Chow

Tel: +86 13539810580(Whatsapp/Wechat)

Email: iris@yibingchemical.com

Address: Room 1804, Financial City Greenland Center, NO. 662, Huangpu Dadao Avenue, Tianhe District, Guangzhou