伤风 😵😩😷

in #zzan • 5 years ago

伤风 😵😩😷

3 ways to calibrate ORP meter

  1. Quinhydrone
  2. Ferrous cyanide + Ferric cyanide
  3. pH buffer (- 59.1 mV for each pH unit below pH 7)

预测

Posted using Partiko Android

#marlians #palnet #neoxian #jjm #partiko
5 years ago in #zzan by
$0.02
  • Past Payouts $0.02
  • - Author $0.01
  • - Curators $0.01
21 votes
Reply 3
Sort:  
  • Trending
    • [-]
     5 years ago 

    Hi~ bitcast!
    @botfolio has gifted you 1 SHOP!

    Currently you have： 3 SHOP

    View or Exchange SHOP Please go to steem-engine.com.

    Are you bored? Play Rock,Paper,Scissors game with me!
    $0.00
      Reply

      Coin Marketplace

      STEEM 0.19
      TRX 0.18
      JST 0.032
      BTC 88139.36
      ETH 3066.37
      USDT 1.00
      SBD 2.76