PRICES include / exclude VAT
download between 0-24 hoursReleased: 1994
ISO 423:1994
ISO 423:1994-Photography — Processing chemicals — Specifications for hydroquinone
Format
Availability
Price and currency
English PDF
Immediate download
70.00 EUR
English Hardcopy
In stock
70.00 EUR
French PDF
Immediate download
70.00 EUR
French Hardcopy
In stock
70.00 EUR
| Standard´s number: | ISO 423:1994 |
| Pages: | 6 |
| Edition: | 2 |
| Released: | 1994 |
DESCRIPTION
ISO 423:1994
Establishes criteria for the purity and describes the test methods for identity tests, residue after ignition, heavy metals content, iron content, appearance of solution. Annex A describes preparation of the standard ammonium cerium(IV) hexanitrate solution.