Order – Issue 04 (2023) Back Issue Back issues may be ordered from the PPCHEM® Journal. Most back issues of the PPCHEM® Journal are still available; however, the number of copies available is very limited. We serve our customers on a first come, first served basis. The price is 26€ per back issue, the minimum charge is 30€. To order several different back issues at once, please fill in this form and send it to us by e-mail. Journal – Issue 04 (2023) Articles Individual articles may be ordered from the PPCHEM® Journal. These articles are available in digital form by e-mail at an extra charge. The price is 22€ per article, the minimum charge is 27€. To order several articles from different issues at once, please fill in this form and send it to us by e-mail. Article – Cooling Tower Operating and Water Treatment Fundamentals – Part 1Article – Cooling Tower Disinfection Switch to Chlorine Dioxide Reduces Boiler Chloride Cycling: Why and How? – Part 2Article – Chemistry Requirements of the Steam Turbine * Only if a subscription to the PPCHEM® Journal already exists. Subscription Number* Customer No.* Company First Name Last Name Company Address City Postal/ZIP Code Country State E-mail Address Phone Terms of Payment PPCHEM AG accepts the following payment methods: Credit card (MasterCard, or VISA; the credit card payment form will be mailed together with the invoice)Money transfer through a bank Prepayment is required for this service. PPCHEM AG does not accept checks. Any checks received will be left uncashed and will only be sent back to the drawer of the check at the written request of the drawer and at the drawer‘s risk and expense (prepaid). Check here if you accept our Licence Agreement . Please leave this field empty.