🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
ISO 21438-1:2007

ISO 21438-1:2007

$41.60

Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 1: Non-volatile acids (sulfuric acid and phosphoric acid)

Published By Publication Date Number of Pages
ISO 2007-12 36
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

ISO 21438-1:2007 specifies a method for the determination of the time-weighted average mass concentration of sulfuric acid and phosphoric acid in workplace air by ion chromatography.

The method is applicable to the personal sampling of the inhalable fraction of airborne particles, as defined in ISO 7708 and to static (area) sampling.

The analytical method is applicable to the determination of masses of 0,005 mg to 2,000 mg of sulfuric acid and phosphoric acid per sample, without dilution.

The concentration range of sulfuric acid and phosphoric acid in air for which the measuring procedure is applicable is determined by the sampling method selected by the user. For an air sample of volume 1 m3, the working range is approximately 0,005 mg/m3 to 2,000 mg/m3.

The method is not applicable to the determination of sulfur trioxide.

The procedure does not allow differentiation between the acids and their corresponding salts if both are present in the air.

The procedure does not allow differentiation between phosphoric acid and diphosphorus pentoxide (phosphoric anhydride) if both are present in the workplace.

Related products

ISO 21438-1:2007
$41.60