General Purpose pH Combination (4136L21) AgCl internal reference sealed by ion exchange barrier pH range 0-14 at temperatures from 0° to 100°C Replaceable junction Plastic body 13 mm diameter x 138 mm long. 4136L16 and L21 have removable bulb connector for easy…

5M NaCl is a common molecular biology reagent. All production lots are tested to ensure that they are free of RNAse. This product is used to control osmolarity and conductivity, among other factors.