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                    產品介紹

                    pH buffers
                    Ref. NumberDescriptionVolumemsrShelf-lifeISO 17034 ISO 17025
                    PH214.L5pH 1.679 at 25°C Potassium Tetraoxalate (Primary pH-buffer Solution)500ml12Yes
                    PH223.L5pH 3.557 at 25°C Potassium Hydrogen Tartrate (Primary pH-buffer Solution)500ml12Yes
                    PH215.L5pH 3.776 at 25°C Potassium Dihydrogen Citrate  (Primary pH-buffer Solution)500ml12Yes
                    PH216.L5pH 4.008 at 25°C Potassium Hydrogen Phtalate (Primary pH-buffer Solution)500ml12Yes
                    PH217.L5pH 6.865 at 25°C Potassium Dihydrogen Phosphate/ Hydrogen Phosphate  (Primary pH-buffer Solution)500ml12Yes
                    PH218.L5pH 7.413 at 25°C Potassium Dihydrogen Phosphate/ di-Sodium Hydrogen Phosphate  (Primary pH-buffer Solution)500ml12Yes
                    PH219.L5pH 9.180 at 25°C Sodium Tetraborate (Primary pH-buffer Solution)500ml12Yes
                    PH220.L5pH 10.01 at 25°C Sodium Carbonate/Sodium Hydrogen Carbonate (Primary pH-buffer Solution)500ml12Yes
                          
                    PH004.1LpH 4.00 at 20°C coloured Citric acid/ Sodium Hydroxide/ Sodium Chloride1000ml24Yes
                    PH004.L5pH 4.00 at 20°C coloured Citric acid/ Sodium Hydroxide/ Sodium Chloride500ml24Yes
                    PH007.1LpH 7.00 at 20°C coloured Potassium Dihydrogen Phosphate/di- Sodium Hydrogen Phosphate1000ml24Yes
                    PH007.L5pH 7.00 at 20°C coloured Potassium Dihydrogen Phosphate/di- Sodium Hydrogen Phosphate500ml24Yes
                    PH010.1LpH 10.00 at 20°C coloured Borax/Sodium Hydroxide1000ml12Yes
                    PH010.L5pH 10.00 at 20°C coloured Borax/Sodium Hydroxide500ml12Yes
                          
                    PH014.1LpH 1.679 at 25°C Potassium Tetraoxalate1000ml12Yes
                    PH014.L5pH 1.679 at 25°C Potassium Tetraoxalate500ml12Yes
                    PH021.1LpH 3.557 at 25°C Potassium Hydrogen Tartrate1000ml12Yes
                    PH021.L5pH 3.557 at 25°C Potassium Hydrogen Tartrate500ml12Yes
                    PH015.1LpH 3.776 at 25°C Potassium Dihydrogen Citrate1000ml12Yes
                    PH015.L5pH 3.776 at 25°C Potassium Dihydrogen Citrate500ml12Yes
                    PH016.1LpH 4.008 at 25°C Potassium Hydrogen Phtalate1000ml12Yes
                    PH016.L5pH 4.008 at 25°C Potassium Hydrogen Phtalate500ml12Yes
                    PH017.1LpH 6.865 at 25°C Potassium Dihydrogen Phosphate/ Hydrogen Phosphate1000ml12Yes
                    PH017.L5pH 6.865 at 25°C Potassium Dihydrogen Phosphate/ Hydrogen Phosphate500ml12Yes
                    PH018.1LpH 7.413 at 25°C Potassium Dihydrogen Phosphate/ di-Sodium Hydrogen Phosphate1000ml12Yes
                    PH018.L5pH 7.413 at 25°C Potassium Dihydrogen Phosphate/ di-Sodium Hydrogen Phosphate500ml12Yes
                    PH019.1LpH 9.180 at 25°C Sodium Tetraborate1000ml12Yes
                    PH019.L5pH 9.180 at 25°C Sodium Tetraborate500ml12Yes
                    PH020.1LpH 10.01 at 25°C Sodium Carbonate/Sodium Hydrogen Carbonate1000ml12Yes
                    PH020.L5pH 10.01 at 25°C Sodium Carbonate/Sodium Hydrogen Carbonate500ml12Yes
                          
                    PH101.1LpH 1.00 at 20°C Glycine/ Sodium Chloride/ Hydrochloric Acid1000ml12No
                    PH101.L5pH 1.00 at 20°C Glycine/ Sodium Chloride/ Hydrochloric Acid500ml12No
                    PH102.1LpH 2.00 at 20°C Citric Acid/ Sodium Chloride/ Hydrochloric Acid1000ml12Yes
                    PH102.L5pH 2.00 at 20°C Citric Acid/ Sodium Chloride/ Hydrochloric Acid500ml12Yes
                    PH103.1LpH 3.00 at 20°C Citric Acid/ Sodium Chloride/ Hydrochloric Acid1000ml12Yes
                    PH103.L5pH 3.00 at 20°C Citric Acid/ Sodium Chloride/ Hydrochloric Acid500ml12Yes
                    PH104.1LpH 4.00 at 20°C Citric Acid/ Sodium Chloride/ Sodium Hydroxide1000ml12Yes
                    PH104.L5pH 4.00 at 20°C Citric Acid/ Sodium Chloride/ Sodium Hydroxide500ml12Yes
                    PH105.1LpH 5.00 at 20°C Citric Acid/ Sodium Hydroxide1000ml12Yes
                    PH105.L5pH 5.00 at 20°C Citric Acid/ Sodium Hydroxide500ml12Yes
                    PH106.1LpH 6.00 at 20°C Citric Acid/ Sodium Hydroxide1000ml12Yes
                    PH106.L5pH 6.00 at 20°C Citric Acid/ Sodium Hydroxide500ml12Yes
                    PH107.1LpH 7.00 at 20°C di-Sodium Hydrogen Phosphate/ Potassium Dihydrogen Phosphate1000ml12Yes
                    PH107.L1pH 7.00 at 20°C di-Sodium Hydrogen Phosphate/ Potassium Dihydrogen Phosphate100ml12Yes
                    PH107.L5pH 7.00 at 20°C di-Sodium Hydrogen Phosphate/ Potassium Dihydrogen Phosphate500ml12Yes
                    PH108.1LpH 8.00 at 20°C Boric Acid/ Sodium Chloride/ Sodium Hydroxide1000ml12Yes
                    PH108.L5pH 8.00 at 20°C Boric Acid/ Sodium Chloride/ Sodium Hydroxide500ml12Yes
                    PH109.1LpH 9.00 at 20°C Boric Acid/ Potassium Chloride/ Sodium Hydroxide1000ml12Yes
                    PH109.L5pH 9.00 at 20°C Boric Acid/ Potassium Chloride/ Sodium Hydroxide500ml12Yes
                    PH110.1LpH 10.00 at 20°C Boric Acide/ Potassium Chloride/ Sodium Hydroxide1000ml12Yes
                    PH110.L5pH 10.00 at 20°C Boric Acide/ Potassium Chloride/ Sodium Hydroxide500ml12Yes
                    PH111.1LpH 11.00 at 20°C Boric Acide/ Potassium Chloride/ Sodium Hydroxide1000ml12Yes
                    PH111.L5pH 11.00 at 20°C Boric Acide/ Potassium Chloride/ Sodium Hydroxide500ml12Yes
                    PH112.1LpH 12.00 at 20°C di-Sodium Hydrogen Phosphate/ Sodium Hydroxide1000ml12No
                    PH112.L5pH 12.00 at 20°C di-Sodium Hydrogen Phosphate/ Sodium Hydroxide500ml12No
                    PH113.1LpH 13.00 at 20°C Glycine/ Sodium Hydroxide/ Sodium Chloride1000ml12No
                    PH113.20LpH 13.00 at 20°C Glycine/ Sodium Hydroxide/ Sodium Chloride20000ml12No
                    PH113.L5pH 13.00 at 20°C Glycine/ Sodium Hydroxide/ Sodium Chloride500ml12No

                      ^ 
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