BS ISO 12830:2019 Paper, board, pulps and cellulose nanomaterials. Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium

Copper
Sodium
Calcium
Determination of content
Paper
Chemical analysis and testing
Potassium
Atomic absorption spectrophotometry
Magnesium
Board (paper)
Emission spectrophotometry
Spectrophotometry
Paper pulp
Manganese
Specimen preparation
Iron

Link: BS ISO 12830:2019 Paper, board, pulps and cellulose nanomaterials. Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium
Source: BSI Standards

The Firearms (Fees) Regulations 2019

These Regulations authorise the Secretary of State and the Scottish Ministers to require the payment of a fee before an authority under section 5 of the Firearms Act 1968 (a “section 5 authority”), an approval under section 15 of the Firearms (Amendment) Act 1988 and a licence under the Schedule to the Firearms (Amendment) Act 1988 is granted, varied or renewed.

Link: The Firearms (Fees) Regulations 2019
Source: Legislation .gov.uk