现行

BS 5688-1-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of boric acid content of boric acid
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

KS M ISO 2997(2022 Confirm)

인산(산업용)－황산염 정량－환원 적정법
工业磷酸硫酸盐含量的测定还原滴定法

2017-12-29

现行

KS M ISO 2997

인산(산업용)－황산염 정량－환원 적정법
工业磷酸硫酸盐含量的测定还原滴定法

2017-12-29

现行

ISO 2997-1974

Phosphoric acid for industrial use — Determination of sulphate content — Method by reduction and titrimetry
工业用磷酸——硫酸盐含量的测定——还原滴定法

1974-11-01

现行

GOST 29336-1992

Сульфат аммония технический. Титриметрический метод определения содержания свободной кислоты
工业用硫酸铵游离酸含量的测定 滴定法

现行

BS 5688-2-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of boric oxide content of boric oxide
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-14-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of chromium content of boric acid, boric oxide and disodium tetraborates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 4258-3-1989

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use-Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of sulphate content
工业用磷酸（正磷酸）的试验方法

1989-09-29

现行

BS 5688-7-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of copper content of boric acid, boric oxide and $7Idi$7Rsodium tetraborates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-16-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of chloride content of boric acid, boric oxide and $7Idi$7Rsodium tetraborates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-6-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of manganese content of boric acid, boric oxide and $7Idi$7Rsodium tetraborates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 4258-13-1990

Methods of test for phosphoric acid (orthophosphoric acid) for industrial use-Determination of soluble sulphate content (potentiometric method)
工业用磷酸（正磷酸）的试验方法

1990-07-31

现行

BS 5688-17-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of iron content of boric acid, boric oxide, $7Idi$7Rsodium tetraborates, sodium perborates and crude sodium borates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-8-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of sodium oxide and boric oxide contents of crude sodium borates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-3-1979

Methods of test for boric acid, boric oxide, diRsodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of sodium oxide and boric oxide contents and loss on ignition of $7Idi$7Rsodium tetraborates
工业用硼酸、氧化硼、四硼酸钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-4-1979

Methods of test for boric acid, boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of sodium oxide, boric oxide and available oxygen contents of hydrated sodium perborates
工业用硼酸、氧化硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-12-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of total titanium content of crude sodium borates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-11-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of total aluminium content of crude sodium borates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-15-1979

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of water content of disodium tetraborates and crude sodium borates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1979-02-28

现行

BS 5688-27-1986

Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use-Determination of total and alkali-soluble silica contents of crude sodium borates
工业用原硼酸、三氧化二硼、四硼酸二钠、过硼酸钠和粗硼酸钠的试验方法

1986-07-31