Buffers and Salines

Concentrates

Buffer concentrates (Sorrensen). Each concentrate makes 5 litres of ready-to-use buffer at specified pH +/- 0.1 ph Units when diluted with deionised/distilled water.

B020 - pH 6.50 Buffer concentrate

B010 - pH 6.80 Buffer concentrate

B030 - pH 7.00 Buffer concentrate

B040 - pH 7.20 Buffer concentrate

B050 - pH 7.40 Buffer concentrate

B060 - pH 7.60 Buffer concentrate

Buffer concentrates (Sorrensen) Each concentrate make 25 litres of ready-to-use buffer at specified pH +/- 0.1 ph Units when diluted with deionised/distilled water.

B020L - pH 6.50 Buffer concentrate

B010L - pH 6.80 Buffer concentrate

B030L - pH 7.00 Buffer concentrate

B040L - pH 7.20 Buffer concentrate

B050L - pH 7.40 Buffer concentrate

B060L - pH 7.60 Buffer concentrate                

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Tablets 

Each tablet makes 1 litre of buffer/ stain diluent.

02856 - pH 6.80 pack of 50 tablets 

02857 - pH 7.00 pack of 50 tablets

02858 - pH 7.20 pack of 50 tablets

pH meter standardisation tablets each makes 100ml

02851 - pH 4.00 pack of 50 tablets

02854 - pH 7.00 pack of 50 tablets

02855 - pH 9.20 pack of 50 tablets

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Salines

Saline Concentrates 20 X Concentrate. Each concentrate produces 0.85-0.9% buffered Saline at the specified pH +/- 0.1 pH units when diluted with deionised/ distilled water. 500ml concentrate makes 10lts. 1ltr concentrate makes 20lts.

B090 - PBS 20 x concentrate pH 7.00 (phosphate buffered)

B100 - PBS 20 x concentrate pH 7.20 (phosphate buffered)

B120 - PBS 20 x concentrate pH 7.60 (phosphate buffered)

B150 - Saline 20 x concentrate - makes 10lts 0.9% NaCl

B125 - TBS 20 x concentrate pH 7.20 (Tris buffered + Tween)

B128 - TBS 20 x concentrate pH 7.60 (Tris buffered + Tween)

B130 - TBS 20 x concentrate pH 7.60 (Tris buffered + Tween)

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Ready-to-use Salines

BS05 - PBS pH 6.80 (phosphate buffered saline)

BS10 - PBS pH 7.00 (phosphate buffered saline)

BS15 - PBS pH 7.20 (phosphate buffered saline)

BS20 - PBS pH 7.40 (phosphate buffered saline)

BS25 - TBS pH 7.20 (Tris buffered saline + Tween)

BS30 - TBS pH 7.40 (Tris buffered saline + Tween)

B140 - LISS (Low iconic strength saline)

B180 - Imidazole buffered saline

B190 - Owrens Barbitone Buffered Saline pH 7.40

TAP01 - Tap to fit 2.5l & 5lt Jerrycans

TAP05 - Tap to fit 10lt & 25lt Jerrycans

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Speciality buffer products

B200 - Tris-acetate-EDTA pH 7.40

B210 - Tris-borate-EDTA pH 8.60

B220 - Tris-borate-EDTA pH 8.90

B230 - Tris-glycerol-EDTA pH 9.20

B240 - Phosphate pH 7.90

B270 - Barbitone- acetate pH 8.20

Concentrates

B250 - Barbitone pH 8.60 (Ionic strength 0.02. 100ml makes 1 litre of buffer)

B270 - Barbitone pH 8.60 (Ionic strength 0.1. 100ml makes 1 litre of buffer