مونوهيدرات حامض الستريك تيانشنغ / لا مائي

ITEM

STANDARD

Name

Citric Acid Anhydrous

CAS No.

77-92-9

Chemical formula

C6H8O7

Specification

BP 98 / USP 24

Packing

In 25kg paper bags

Functional use

Acidity regulator

Items

Specifications

Appearance

White crystals or crystalline powder

Identification

Conforms

Clarity and color of Solution

Conforms

Assay

99.5 - 101.0%

Chloride(Cl)

50 ppm max

Sulfate(SO42-)

150 ppm max

Loss on drying

1% max

Heavy metals(Pb)

10 ppm max

Barium

Conforms

Iron

50 ppm max

Calcium

200 ppm max

Oxalate

350 ppm max

Sulfated ash

0.10% max

Readily carbonisable substances

Conforms

Items

Standards

Description

Colorless crystals or white crystalline powders

Clarity & Clolor of Solution

20% water solution clarifying

Assay

99.5%-100.5%

Moisture

7.5-8.8

Sulphated  Ash

≤ 0.05%

Light Transmittance

≥97.0%

Sulpahte

≤150ppm

Chloride

≤50ppm

Calcium

≤75ppm

Heavy Metal

≤5ppm

Iron

≤5ppm

Oxalate

≤100ppm

Readily Carbonizable

Not darker than standard

Aluminium

≤0.2ppm

Arsenic

≤1ppm

Mercury

≤1ppm

Lead

≤0.5ppm

Endotoxin of Germ

≤0.5IU/Mg

Tridodecylamine

≤0.1ppm