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COD-LR Vario Tube Tests Low range 1 × 100$×
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MD100 Chlorine Meter 2 in 1 1 × 1.078$×
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Lovibond COD Photometer Complete Set 1 × 1.778$×
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ລວມຍ່ອຍ: 6.025$
ລວມຍ່ອຍ: 6.025$
ລາຄາ 72$ ບໍ່ລວມອາກອນ
ມີຢູ່ໃນສາງThis line of buffers with millesimal accuracy (±0.002 pH), HI 60xx, has been prepared to meet the increasing need for assured accuracy in pH measurements. Each bottle of the series HI 60xx is provided with a certificate of analysis, prepared by comparison with NIST standards.
The colors on the HI 60xx series packaging correspond to a given standard pH value. They make it easy and safe to identify the buffers to be used.


