五月婷网站,av先锋丝袜天堂,看全色黄大色大片免费久久怂,中国人免费观看的视频在线,亚洲国产日本,毛片96视频免费观看

For determination of chromate by sodium thiosulfate Digital Titrator titration. Hach Method 8211. Range: 20-400 mg/L CrO4. Reagent Set includes: Dissolved Oxygen 3 Reagent Powder Pillows, Potassium Iodide Powder Pillows, Sodium Thiosulfate Cartridge (0.2068 N) and Starch Indicator Solution. Approximay 40-100 tests

• Accurate results - when and where you need them
• Fast and Flexible
• Versatile
• Economical

  Accurate results - when and where you need them

  Digital Titrator methods use a high-precision dispensation device and cartridges of concentrated titrant to allow analyses in the lab, the plant or the field.

  Fast and Flexible

  Interchangeable cartridges allow you to change titrants in seconds. No cleaning or rinsing burets.

  Versatile

  More than 50 parameter/range combinations are available

  Economical

  Concentrated titrants allow 40-100 typical titrations per cartridge.

  Specifications

  # Tests:40 - 100

  Method Name:8211

  Platform :PP, DT

  Range:to CrO₄^2-

  Ranges:20 to 400 mg/L CrO₄^2-