https://hannasingapore.com/product/ise-slope-check-buffers-with-chloride-background-hi4000-47/
ISE Slope Check Buffers with Chloride Background - HI4000-47 - Precision Instruments Manufacturer...
Mar 6, 2024 - HI4000-47 is a set of pH 4 and pH 7 buffer packets (includes 10 packets of each buffer). These buffer packets contain chloride ions to allow an inner electrode...
check buffers