Pharmaceutical Grade Sodium Bicarbonate Pharmacopoeia Quality Standard 500g per Bag Medical Grade Sodium Bicarbonate GMP Certification Qualification

CP Edition Pharmacopoeia Quality Standards for Pharmaceutical Grade Sodium Bicarbonate:

1. Appearance and Properties

Pharmaceutical grade sodium bicarbonate should be a white or almost white crystalline powder or granules, odorless, easily soluble in water, with an alkaline aqueous solution. Its appearance must show no obvious impurities and meet the pharmacopoeia requirements for purity.

2. Identification

The pharmacopoeia requires identification of sodium bicarbonate through physical and chemical methods. Common identification methods include:

- Solubility identification: Sodium bicarbonate should have good solubility in water, and the solution should exhibit an alkaline reaction.

- Reaction with barium chloride solution: When a small amount of sodium bicarbonate solution is added to barium chloride solution, a white precipitate should form, indicating the presence of carbonate components.

3. Assay

According to the CP edition, the sodium bicarbonate content should be between 99.0% and 100.5%. A common assay method is acid-base titration, where a standard acid solution is used to titrate the sample solution until the endpoint is reached, and the content is calculated accordingly.

4. Moisture Content

Moisture content is a critical indicator in the quality control of sodium bicarbonate. According to pharmacopoeia regulations, the moisture content of pharmaceutical grade sodium bicarbonate should not exceed 1.0%. Excessive moisture content may affect the quality and stability of sodium bicarbonate.

5. Impurity Testing

The pharmacopoeia has strict regulations on the content of impurities such as heavy metals, arsenic, and chlorides in sodium bicarbonate. In particular, the heavy metal content should not exceed 20 ppm, and the arsenic content should not exceed 2 ppm. Testing is conducted using methods such as high-performance liquid chromatography (HPLC) and gas chromatography (GC).

6. Microbial Limits

The microbial limits for pharmaceutical grade sodium bicarbonate should comply with sterile standards or contain a low total microbial count. Common microbial testing methods include culture medium methods and colony counting methods to ensure that no harmful bacteria are introduced during pharmaceutical use.

Pharmaceutical Grade Sodium Bicarbonate Pharmacopoeia Quality Standard 500g per Bag Medical Grade Sodium Bicarbonate GMP Certification Qualification

Sodium bicarbonate (NaHCO?), commonly known as baking soda, is a widely used inorganic salt in medical, food, cosmetic, and industrial fields. As a pharmaceutical-grade chemical, sodium bicarbonate is extensively used to treat conditions such as hyperacidity, indigestion, and acidosis. It is also commonly used in respiratory system treatments and as an adjunct therapy for kidney diseases. To ensure the safety and efficacy of sodium bicarbonate in pharmaceutical applications, the "2020 Edition Chinese Pharmacopoeia" (CP Edition) has established strict quality standards covering its appearance, content, impurities, microbial limits, and more.

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